Table of Contents
Glossary of Kubernetes Terms
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Kubernetes is an open-source platform designed for automating the deployment, scaling, and management of containerized applications. It provides mechanisms for service discovery, load balancing, self-healing, and storage orchestration, making it a standard for container orchestration in modern cloud-native applications.
https://en.wikipedia.org/wiki/Kubernetes
Pod is the smallest deployable unit in Kubernetes, representing a single instance of a running process in a cluster. A pod can contain one or more containers that share resources like storage, network, and namespaces. Pods are ephemeral, meaning they can be created, destroyed, or replaced as needed to maintain application health.
https://kubernetes.io/docs/concepts/workloads/pods/
Node in Kubernetes is a physical or virtual machine that runs pods and is part of the Kubernetes cluster. A node contains the necessary services to support the containers, including the container runtime, Kubelet, and network configuration. Each node is managed by the Kubernetes control plane.
https://kubernetes.io/docs/concepts/architecture/nodes/
Kubelet is an agent that runs on every Kubernetes node and is responsible for managing the state of pods on that node. The Kubelet ensures that the containers described in the pod specifications are running and healthy, and it reports the node’s status back to the control plane.
https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
Deployment in Kubernetes is a higher-level abstraction that defines the desired state of an application and manages the process of creating, updating, and scaling pods. Deployments ensure that the correct number of pod replicas are running, and they handle rolling updates and rollbacks for application changes.
https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
Service in Kubernetes is an abstraction that defines a logical set of pods and a policy for accessing them. Services provide stable networking, allowing other services or external clients to communicate with pods regardless of their lifecycle. Services can be exposed via cluster IP, node ports, or load balancers.
https://kubernetes.io/docs/concepts/services-networking/service/
Namespace in Kubernetes is a way to divide cluster resources between multiple users or teams. Each namespace is a virtual cluster backed by the same physical cluster, providing isolation for resources like pods, services, and configuration. Namespaces allow for resource quota management and help avoid naming collisions.
https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/
ConfigMap in Kubernetes is a mechanism to store non-confidential configuration data in key-value pairs. ConfigMaps allow external configuration of applications without rebuilding container images. Pods can use ConfigMaps to configure application settings, environment variables, or command-line arguments dynamically.
https://kubernetes.io/docs/concepts/configuration/configmap/
Secret in Kubernetes is an object that stores sensitive data, such as passwords, API keys, or tokens. Secrets are similar to ConfigMaps but are specifically designed to handle confidential information, ensuring that it is securely managed and only accessible by authorized pods and services.
https://kubernetes.io/docs/concepts/configuration/secret/
Ingress in Kubernetes is an API object that manages external access to services within a cluster, typically HTTP or HTTPS routes. Ingress allows for load balancing, SSL termination, and name-based virtual hosting, providing a unified way to expose multiple services through a single IP address.
https://kubernetes.io/docs/concepts/services-networking/ingress/
ReplicaSet in Kubernetes is a controller that ensures a specified number of pod replicas are running at all times. It monitors the status of pods and creates or deletes them as needed to maintain the desired replica count. ReplicaSets are often used by deployments for scaling and maintaining pod availability.
https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
Persistent Volume (PV) in Kubernetes is a storage resource provisioned by an administrator that is used to store data independently of the lifecycle of pods. A persistent volume provides a persistent storage solution that can be accessed by pods, ensuring that data remains available even if the pod is deleted or moved.
https://kubernetes.io/docs/concepts/storage/persistent-volumes/
Persistent Volume Claim (PVC) is a request for storage by a pod in Kubernetes. A PVC specifies the size and access modes for the requested storage, and it binds to a persistent volume that satisfies those requirements. PVCs allow for dynamic provisioning of storage resources in the cluster.
https://kubernetes.io/docs/concepts/storage/persistent-volumes/#persistentvolumeclaims
DaemonSet in Kubernetes ensures that a copy of a pod runs on all (or some) nodes in the cluster. DaemonSets are commonly used to deploy services like log collectors or monitoring agents, ensuring that these critical components are available on every node in the cluster.
https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/
StatefulSet in Kubernetes is a controller that manages the deployment and scaling of pods with stable identities and persistent storage. StatefulSets are used for applications that require stable networking, ordered deployment, and storage persistence, such as databases or distributed systems.
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/
Horizontal Pod Autoscaler (HPA) in Kubernetes automatically scales the number of pods in a deployment or replica set based on observed CPU usage or other custom metrics. The HPA ensures that applications can handle fluctuating workloads by adjusting the number of running pods according to resource utilization.
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
Job in Kubernetes is a controller that creates one or more pods and ensures that a specified number of them successfully complete their tasks. Jobs are used for tasks that are expected to run to completion, such as batch processing jobs. Once the job completes successfully, the pods are terminated.
https://kubernetes.io/docs/concepts/workloads/controllers/job/
CronJob in Kubernetes manages the scheduling of jobs that run on a recurring basis, such as daily, weekly, or monthly tasks. CronJobs are useful for automating tasks like backups, database cleanup, or sending periodic notifications, leveraging the same capabilities as jobs with scheduled execution.
https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/
ClusterIP is the default type of Kubernetes Service that provides an internal IP address for communication within the cluster. ClusterIP services are only accessible from within the cluster and are commonly used for communication between pods that do not need to be exposed externally.
https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types
NodePort is a Kubernetes Service type that exposes a service on a static port on each node in the cluster. NodePort allows external traffic to access the service by connecting to the node’s IP address and the specified port. It provides a way to expose Kubernetes services to external clients.
https://kubernetes.io/docs/concepts/services-networking/service/#nodeport
LoadBalancer in Kubernetes is a type of service that automatically provisions an external load balancer to distribute incoming traffic across multiple pods in a deployment. It provides a single IP address that routes traffic to backend pods, making it easy to expose services to the internet.
https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer
Taint and Toleration in Kubernetes are mechanisms used to control which pods can be scheduled on specific nodes. Taints are applied to nodes to repel pods, while tolerations are applied to pods to allow them to be scheduled on nodes with matching taints. This ensures that certain pods are placed only on appropriate nodes.
https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/
Affinity and Anti-affinity in Kubernetes define rules for how pods are scheduled on nodes relative to other pods. Pod affinity allows pods to be scheduled near other pods, while anti-affinity ensures that pods are scheduled away from each other, often to improve fault tolerance or reduce resource contention.
https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#affinity-and-anti-affinity
Kubectl is the command-line interface used to interact with a Kubernetes cluster. It allows users to deploy and manage applications, inspect resources, and execute administrative commands. Kubectl is the primary tool for managing cluster resources and troubleshooting.
https://kubernetes.io/docs/reference/kubectl/
Control Plane in Kubernetes is the set of components that manage the overall cluster state. It includes the API server, etcd, scheduler, and controller manager. The control plane is responsible for maintaining the desired state of the cluster and managing communication between nodes and the control components.
https://kubernetes.io/docs/concepts/overview/components/#control-plane-components
Kube-proxy is a network component that runs on every node in a Kubernetes cluster. It manages network rules and handles the forwarding of traffic between services and pods. Kube-proxy ensures that Kubernetes services can communicate with the correct pods regardless of their location in the cluster.
https://kubernetes.io/docs/concepts/services-networking/service/#kube-proxy
Resource Quotas in Kubernetes are used to limit the amount of resources (such as CPU, memory, and storage) that can be consumed by pods and other resources within a namespace. Resource quotas help prevent any single namespace from monopolizing cluster resources, ensuring fair distribution across all users.
https://kubernetes.io/docs/concepts/policy/resource-quotas/
LimitRange in Kubernetes is a policy that sets minimum and maximum resource constraints (such as CPU and memory) for pods and containers within a namespace. LimitRanges ensure that containers do not over-consume resources and help enforce resource usage standards within a cluster.
https://kubernetes.io/docs/concepts/policy/limit-range/
Horizontal Scaling in Kubernetes refers to automatically increasing or decreasing the number of pod replicas to handle changes in load. This is achieved using the Horizontal Pod Autoscaler, which adjusts the number of pods based on observed CPU, memory, or custom metrics, ensuring that applications can handle variable workloads.
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
Vertical Pod Autoscaler (VPA) in Kubernetes automatically adjusts the resource requests and limits (CPU and memory) for running pods based on their actual usage. Unlike horizontal scaling, which increases the number of pods, VPA adjusts the size of individual pods to optimize resource utilization and improve application performance.
https://github.com/kubernetes/autoscaler/tree/master/vertical-pod-autoscaler
Cluster Autoscaler in Kubernetes automatically adjusts the number of nodes in a cluster based on the resource demands of pods. When the cluster runs out of resources to schedule new pods, the cluster autoscaler adds more nodes to accommodate them. It can also remove underutilized nodes to save resources.
https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler
ServiceAccount in Kubernetes is an identity used by pods to authenticate with the Kubernetes API and other services. Each pod can be assigned a specific service account that defines the permissions for accessing cluster resources. ServiceAccounts help ensure that pods have the necessary, but limited, access rights.
https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
Ingress Controller in Kubernetes is a daemon that watches for changes to ingress resources and configures the underlying load balancer accordingly. Ingress controllers are responsible for managing the actual network traffic routing for external access to cluster services based on defined ingress rules.
https://kubernetes.io/docs/concepts/services-networking/ingress-controllers/
Role-based Access Control (RBAC) in Kubernetes is a method of regulating access to resources based on the roles assigned to users, groups, or service accounts. RBAC policies define who can perform specific actions on cluster resources, helping secure a Kubernetes cluster by enforcing least privilege principles.
https://kubernetes.io/docs/reference/access-authn-authz/rbac/
Eviction in Kubernetes is the process of removing pods from nodes when resources like CPU or memory become scarce. Evictions are triggered by the kubelet when pods exceed resource limits or when a node is under heavy pressure, ensuring that critical workloads remain functional.
https://kubernetes.io/docs/concepts/scheduling-eviction/pod-eviction/
PodDisruptionBudget (PDB) in Kubernetes is a policy that defines the minimum number or percentage of pods that must remain available during planned disruptions, such as maintenance or upgrades. PDBs ensure that a certain level of service is maintained even when scaling down or draining nodes.
https://kubernetes.io/docs/concepts/workloads/pods/disruptions/
EndpointSlice in Kubernetes is an API object that provides a scalable way to manage network endpoints for services. EndpointSlices allow larger clusters to efficiently manage the network addresses of pods and reduce the performance overhead associated with large numbers of endpoints.
https://kubernetes.io/docs/concepts/services-networking/endpoint-slices/
Flannel is a simple overlay network provider designed for Kubernetes to manage the networking between pods. It creates a layer 3 network fabric that allows pods on different nodes to communicate with each other, providing a virtual network that spans the entire cluster.
https://github.com/flannel-io/flannel
Helm in Kubernetes is a package manager that simplifies the deployment of applications and services by managing pre-configured Kubernetes resources. Helm uses charts, which are collections of YAML files, to define, install, and upgrade applications in a Kubernetes cluster, making it easier to manage complex deployments.
Kubeflow is a platform built on top of Kubernetes for managing machine learning workflows. It provides tools for developing, training, and deploying machine learning models at scale, leveraging Kubernetes’s scalability and resource management to streamline the machine learning lifecycle.
CRI (Container Runtime Interface) in Kubernetes is an API that allows the Kubelet to communicate with various container runtimes. This abstraction enables Kubernetes to support multiple container runtimes, such as Docker, containerd, and CRI-O, without requiring runtime-specific changes to the Kubelet.
https://kubernetes.io/docs/concepts/architecture/cri/
Etcd is a distributed key-value store used by Kubernetes to store cluster configuration data, such as the state of pods, nodes, and services. Etcd serves as the single source of truth for the cluster’s state, providing a reliable and consistent way for the control plane to manage cluster resources.
Init Containers in Kubernetes are special containers that run before the main containers in a pod start. They are often used to perform setup tasks, such as initializing storage volumes or fetching configuration files. Init containers must complete successfully before the primary containers are allowed to start.
https://kubernetes.io/docs/concepts/workloads/pods/init-containers/
Kubernetes Dashboard is a web-based user interface that allows users to manage and monitor their Kubernetes clusters. The dashboard provides access to key features, such as viewing the status of pods, deployments, and services, as well as the ability to scale resources, apply configurations, and troubleshoot issues.
https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/
NetworkPolicy in Kubernetes is a specification that defines how pods communicate with each other and with external services. NetworkPolicies control the flow of traffic between pods at the network level, enabling administrators to enforce security rules and isolate specific services within the cluster.
https://kubernetes.io/docs/concepts/services-networking/network-policies/
Kustomize is a tool built into kubectl that allows users to customize Kubernetes resource YAML files without modifying the original files. Kustomize enables users to apply overlays for different environments, such as development, testing, or production, making it easier to manage configuration across multiple deployments.
CSI (Container Storage Interface) is an API standard in Kubernetes that enables the use of different storage solutions for pods. The CSI allows container orchestrators like Kubernetes to provision, attach, and manage storage volumes dynamically, supporting various storage backends without requiring changes to the core system.
https://kubernetes.io/docs/concepts/storage/volumes/#csi
Kube-State-Metrics is a tool that listens to the Kubernetes API and generates metrics about the state of cluster objects, such as deployments, pods, and nodes. These metrics are used for monitoring the health and performance of a Kubernetes cluster and are commonly integrated with monitoring systems like Prometheus.
https://github.com/kubernetes/kube-state-metrics
Pod Security Policy (PSP) in Kubernetes is a cluster-level resource that defines security controls for running pods. PSPs specify what a pod can and cannot do, such as restricting privilege escalation, controlling the use of host networking, or limiting access to host volumes, enhancing the security of the cluster.
https://kubernetes.io/docs/concepts/policy/pod-security-policy
Knative is an open-source platform built on Kubernetes that enables serverless and event-driven workloads. Knative provides components for managing the deployment and scaling of serverless functions, allowing developers to build and run scalable applications without managing the underlying infrastructure.
CoreDNS is a flexible, extensible DNS server that serves as the default DNS service for Kubernetes clusters. It resolves DNS queries for services and pods within the cluster, enabling internal service discovery and allowing pods to communicate using service names instead of IP addresses.
PodPreset in Kubernetes is a resource used to inject configuration data, such as environment variables, volume mounts, or secrets, into pods at creation time. PodPresets allow administrators to apply configurations to multiple pods without needing to modify individual pod definitions.
https://kubernetes.io/docs/concepts/workloads/pods/podpreset/
Kubeadm is a tool that simplifies the process of setting up and managing a Kubernetes cluster. It automates tasks like initializing the control plane, configuring networking, and joining worker nodes to the cluster. Kubeadm provides a streamlined approach to cluster deployment and upgrades.
https://kubernetes.io/docs/reference/setup-tools/kubeadm/
KubeScheduler is a core component of the Kubernetes control plane responsible for assigning pods to nodes. It monitors unassigned pods and matches them with suitable nodes based on resource requirements, constraints, and policies. The scheduler ensures optimal placement of workloads across the cluster.
https://kubernetes.io/docs/concepts/scheduling-eviction/kube-scheduler/
Admission Controller is a plugin in Kubernetes that intercepts requests to the API server before they are persisted in etcd. Admission controllers validate and modify resource requests, enforcing policies like pod security or resource quotas. They ensure compliance with cluster governance rules during resource creation or updates.
https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/
Containerd is a lightweight container runtime used by Kubernetes to manage the lifecycle of containers. It handles image transfer, container execution, and storage, working with the Kubelet to ensure that containers run according to their specifications. Containerd is a popular alternative to Docker as a container runtime.
Horizontal Pod Autoscaler (HPA) in Kubernetes automatically adjusts the number of pods in a deployment or replica set based on observed resource usage, such as CPU or memory. The HPA dynamically scales applications to match workload demands, helping maintain performance and resource efficiency.
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
RBAC (Role-Based Access Control) in Kubernetes is a security feature that controls access to cluster resources based on user roles. It allows administrators to define granular permissions for users, groups, or service accounts, ensuring that resources are accessed only by authorized entities.
https://kubernetes.io/docs/reference/access-authn-authz/rbac/
CRI-O is a lightweight container runtime specifically designed for Kubernetes, implementing the Container Runtime Interface (CRI). CRI-O provides a minimalist alternative to Docker, focusing solely on running containerized workloads within Kubernetes environments, enhancing resource efficiency and security.
Taints and Tolerations in Kubernetes work together to ensure pods are only scheduled on appropriate nodes. A taint is applied to a node to repel certain pods, while a toleration allows specific pods to bypass the taint and run on those nodes if necessary, improving scheduling flexibility and workload distribution.
https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/
Fluentd is an open-source data collector used in Kubernetes to gather logs from various sources, such as pods and nodes, and forward them to storage systems like Elasticsearch or S3. It helps centralize log management in a Kubernetes cluster, enabling better monitoring and debugging of applications.
Kubeflow Pipelines is a component of Kubeflow that enables the creation and management of machine learning workflows on Kubernetes. It provides a platform for building, scheduling, and monitoring machine learning workflows, supporting experimentation and reproducibility.
https://www.kubeflow.org/docs/components/pipelines/
Istio is a service mesh that provides advanced networking, security, and observability features for Kubernetes clusters. Istio manages service-to-service communication, offering traffic management, policy enforcement, and telemetry collection without requiring changes to application code.
Prometheus is an open-source monitoring and alerting toolkit widely used in Kubernetes clusters to track the health and performance of pods, nodes, and other resources. It collects metrics and allows users to define custom alerts based on those metrics, making it a key tool for cluster observability.
Helm Chart is a package format used by Helm to define, install, and manage Kubernetes applications. A Helm Chart contains a set of YAML configuration files that describe the Kubernetes resources required to deploy and manage an application, simplifying the deployment process across different environments.
https://helm.sh/docs/topics/charts/
Container Network Interface (CNI) is a specification and plugin system that defines how container networking should be managed in Kubernetes. CNI plugins provide the networking functionality needed to connect pods within a cluster, allowing for flexible network configurations and third-party integrations.
https://github.com/containernetworking/cni
Vertical Pod Autoscaler (VPA) in Kubernetes automatically adjusts the resource requests and limits (e.g., CPU and memory) of pods based on their actual usage. Unlike the Horizontal Pod Autoscaler, which scales the number of pods, VPA optimizes the resource allocation of each pod.
https://github.com/kubernetes/autoscaler/tree/master/vertical-pod-autoscaler
Envoy is a high-performance edge and service proxy used in Kubernetes environments, especially as part of a service mesh like Istio. Envoy enables features like load balancing, traffic management, and observability between services, without requiring modifications to application code.
Kubernetes Operator is a pattern that extends Kubernetes’s capabilities by automating the management of complex applications. Operators codify operational knowledge into Kubernetes custom resources, allowing applications to manage tasks like scaling, backups, and upgrades autonomously.
https://kubernetes.io/docs/concepts/extend-kubernetes/operator/
Ingress Resource in Kubernetes is an API object that defines rules for how external HTTP/S traffic should be routed to services inside the cluster. By defining paths and routing rules, ingress provides a way to expose multiple services using a single IP address and manage external access efficiently.
https://kubernetes.io/docs/concepts/services-networking/ingress/
Kubectl Port-Forward is a feature in Kubernetes that allows users to forward traffic from a local machine to a pod within the cluster. This is useful for debugging or accessing services running in the cluster without exposing them via external networking resources like LoadBalancers or Ingress.
https://kubernetes.io/docs/tasks/access-application-cluster/port-forward-access-application-cluster/
Kube-bench is an open-source tool that checks whether a Kubernetes cluster complies with the Center for Internet Security (CIS) Kubernetes benchmarks. It helps ensure that the cluster is configured securely by performing security checks on components such as the API server, etcd, and Kubelet.
https://github.com/aquasecurity/kube-bench
PodSecurityContext in Kubernetes defines security settings for a pod and its containers, such as user IDs, group IDs, and access control settings. These settings ensure that pods are running with the appropriate security privileges, adhering to best practices for securing containerized workloads.
https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
NodeLocal DNSCache in Kubernetes is a DNS caching feature that runs a DNS cache on each node to improve DNS lookup performance and reduce the load on the cluster’s core DNS service. This helps minimize latency for frequent DNS queries and enhances network stability.
https://kubernetes.io/docs/tasks/administer-cluster/nodelocaldns/
ClusterRole in Kubernetes is an RBAC resource that defines permissions at the cluster level. ClusterRoles are used to grant access to non-namespaced resources or to grant permissions across multiple namespaces. This helps manage access to critical cluster-wide operations securely.
https://kubernetes.io/docs/reference/access-authn-authz/rbac/
Velero is an open-source tool for backing up and restoring Kubernetes clusters. It allows users to create snapshots of persistent volumes, schedule backups, and perform disaster recovery. Velero is especially useful for migrating workloads between clusters or restoring resources after failures.
Service Mesh Interface (SMI) is a specification that provides a standard interface for service meshes in Kubernetes. SMI defines common APIs for traffic management, security, and observability across different service mesh implementations, ensuring interoperability and reducing vendor lock-in.
KEDA (Kubernetes Event-Driven Autoscaling) is a project that provides event-driven autoscaling for Kubernetes workloads. It allows applications to scale based on the rate of events, such as messages in a queue or metrics from an external system, enabling more dynamic and efficient scaling of resources.
CRI-O is a lightweight container runtime specifically designed for Kubernetes. It implements the Container Runtime Interface (CRI), enabling Kubernetes to run containers using minimal dependencies. CRI-O is optimized for security and performance, offering an alternative to Docker.
MetalLB is a load balancer implementation for bare-metal Kubernetes clusters that do not have access to cloud provider load balancers. It provides LoadBalancer functionality, assigning external IP addresses to services and allowing external traffic to reach applications running in the cluster.
Kube-State-Metrics is a tool that listens to the Kubernetes API and generates metrics about the state of objects like pods, deployments, and nodes. These metrics are then consumed by monitoring systems such as Prometheus, helping administrators track the health and performance of their clusters.
https://github.com/kubernetes/kube-state-metrics
Mutating Admission Webhook in Kubernetes allows for dynamic modification of API requests as they pass through the API server. This is useful for injecting additional configurations or making automatic adjustments to resource definitions, ensuring that resources comply with cluster-wide policies.
Calico is a networking and network security solution for Kubernetes that enables high-performance connectivity, security, and compliance. Calico provides network policy enforcement and supports various networking modes, including BGP for routing and overlay networking for multi-cloud environments.
https://projectcalico.docs.tigera.io/
Kubeflow Fairing is a tool for Kubernetes that simplifies the process of building, training, and deploying machine learning models from local environments to the cloud. Kubeflow Fairing allows data scientists to train and serve models on Kubernetes without needing deep knowledge of cluster infrastructure.
https://www.kubeflow.org/docs/fairing/
Sealed Secrets in Kubernetes is a tool that allows users to store encrypted secrets in their version control systems. Sealed Secrets are encrypted with a cluster-specific key and can only be decrypted by the Kubernetes controller, ensuring that sensitive information remains secure even if the repository is compromised.
https://github.com/bitnami-labs/sealed-secrets
Rook is an open-source storage orchestrator for Kubernetes that enables the management of storage systems like Ceph and NFS as Kubernetes resources. Rook automates tasks like provisioning, scaling, and maintaining storage clusters, simplifying the management of persistent storage in Kubernetes.
PodSecurityAdmission is a built-in admission controller in Kubernetes that enforces predefined pod security standards. It helps ensure that pods adhere to specific security contexts, like running as non-root or disabling privilege escalation, improving overall cluster security by enforcing these rules at deployment time.
https://kubernetes.io/docs/concepts/security/pod-security-admission/
OpenEBS is a container-native storage solution for Kubernetes that provides dynamic provisioning and management of block storage volumes. OpenEBS allows each application to have its own dedicated storage controller, making it a popular choice for managing storage in cloud-native applications and stateful services.
Pod Disruption Budget (PDB) is a Kubernetes resource that specifies the minimum number of pods that must remain available during planned maintenance or disruptions, like node upgrades or pod evictions. PDBs ensure that critical applications maintain their required availability during these events.
https://kubernetes.io/docs/concepts/workloads/pods/disruptions/
Kube-router is a network solution for Kubernetes that integrates networking, network policy, and service proxy functionality in a single package. Kube-router is designed to simplify cluster networking by offering high-performance routing and network policy enforcement using native Linux networking tools.
CRI-O is a lightweight container runtime specifically built for Kubernetes that adheres to the Container Runtime Interface (CRI). It allows Kubernetes to directly manage the lifecycle of containers using minimal dependencies, focusing on security and performance, and serving as an alternative to Docker.
Cilium is an open-source networking and security project for Kubernetes that provides network connectivity and policy enforcement using eBPF (extended Berkeley Packet Filter). Cilium enables advanced observability, security, and scaling of network traffic within and between containers.
Velero is a backup and restore tool for Kubernetes that allows users to back up cluster resources and persistent volumes. It also supports disaster recovery, enabling clusters to be restored or migrated between environments. Velero plays a critical role in maintaining data integrity across cluster lifecycles.
Kubeadm is a tool for bootstrapping and managing a Kubernetes cluster, automating tasks such as cluster initialization, joining worker nodes, and upgrades. It simplifies the process of setting up production-ready clusters with secure configurations and allows for easy upgrades to new versions.
https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/
Kubelet is an essential agent running on each Kubernetes node, responsible for managing the state of pods and containers. It ensures that the specified containers are running as defined by the Kubernetes control plane, reports back on their status, and restarts failed containers as necessary.
https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
Ingress Resource in Kubernetes provides a way to manage external HTTP and HTTPS access to services within a cluster. It defines rules that control how requests are routed to the correct pods based on URL paths or domains, making it easier to expose multiple services through a single entry point.
https://kubernetes.io/docs/concepts/services-networking/ingress/
Envoy is a service proxy commonly used in Kubernetes environments to manage and route network traffic between services. It supports features like load balancing, traffic shifting, and detailed observability, and is often deployed as part of a service mesh such as Istio.
Kube-proxy is a Kubernetes component responsible for maintaining network rules on each node. It ensures that traffic directed to a service is properly routed to the correct pod backend, using techniques such as IP tables or userspace proxies to handle the flow of traffic within the cluster.
https://kubernetes.io/docs/concepts/services-networking/service/#kube-proxy
Falco is an open-source runtime security tool for detecting threats and anomalies in Kubernetes clusters. It monitors system calls from the Linux kernel to detect suspicious activity, such as unauthorized access or privilege escalation, enhancing security by providing real-time alerts for potential breaches.
Service Catalog in Kubernetes is a feature that enables the integration of external services into the cluster. It allows users to discover and connect to services like databases or cloud offerings directly from the cluster, making it easier to manage third-party services as part of the application architecture.
https://kubernetes.io/docs/concepts/extend-kubernetes/service-catalog/
NATS is a lightweight, high-performance messaging system that is often used in Kubernetes for real-time messaging and communication between microservices. NATS provides features like publish/subscribe messaging, request/reply, and load balancing, making it a popular choice for event-driven architectures within a Kubernetes cluster.
Karpenter is an open-source Kubernetes cluster autoscaler that dynamically adjusts the compute resources in a Kubernetes cluster. It automatically provisions new nodes based on the specific needs of pending pods, ensuring that the right instance types are used, optimizing resource allocation and cost.
Kata Containers is an open-source project that provides lightweight virtual machines (VMs) that integrate seamlessly with Kubernetes and container workflows. Kata Containers run in a VM to provide enhanced isolation while maintaining the performance benefits of containers, making them a good fit for sensitive workloads.
Rook is an open-source cloud-native storage orchestrator for Kubernetes that automates the deployment, management, and scaling of storage systems such as Ceph. Rook makes it easier to manage distributed storage systems within a Kubernetes cluster and provides block, file, and object storage capabilities.
Gatekeeper is an open-source admission controller for Kubernetes that enforces policies defined using Open Policy Agent (OPA). It allows cluster administrators to define and enforce rules for security, compliance, and best practices, ensuring that resources deployed in the cluster meet predefined standards.
https://github.com/open-policy-agent/gatekeeper
Topology Aware Scheduling in Kubernetes is a feature that optimizes pod placement based on the physical topology of the cluster, such as node location and resource availability. By understanding the physical layout of nodes, topology-aware scheduling reduces latency and improves resource utilization.
https://kubernetes.io/docs/concepts/scheduling-eviction/topology-aware-scheduling/
Kubernetes Federation is a feature that allows multiple Kubernetes clusters to be managed as a single entity. It enables workloads and resources to be replicated across clusters, improving availability, redundancy, and failover. Federation is useful for managing globally distributed clusters or multi-cloud environments.
https://kubernetes.io/docs/concepts/cluster-administration/federation/
CSI Volume Snapshots in Kubernetes provide a way to create snapshots of persistent volumes using the Container Storage Interface (CSI). These snapshots capture the state of the volume at a specific point in time, making it easier to perform backups, restores, or application rollbacks without data loss.
https://kubernetes.io/docs/concepts/storage/volume-snapshots/
Node Affinity in Kubernetes is a scheduling mechanism that controls which nodes a pod can be scheduled on based on labels assigned to the nodes. Node affinity allows users to define soft or hard rules that influence pod placement, ensuring that specific workloads run on preferred nodes based on resource needs or other criteria.
https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/
Spinnaker is a continuous delivery (CD) platform that integrates with Kubernetes to automate the deployment, management, and scaling of applications. Spinnaker provides features like canary deployments, blue-green deployments, and automated rollbacks, enabling complex deployment pipelines for Kubernetes workloads.
Anthos is a hybrid cloud platform from Google that extends Kubernetes to manage workloads across on-premises, Google Cloud, and other cloud providers. Anthos simplifies the management of multi-cloud environments by providing a unified platform for deploying and managing containerized applications across diverse infrastructures.
https://cloud.google.com/anthos
Kiali is a management console for Istio-based service meshes that provides observability, configuration, and validation tools. Kiali helps visualize service mesh traffic, identify performance bottlenecks, and manage the health of services in a Kubernetes cluster, especially for complex microservice architectures.
Contour is an ingress controller for Kubernetes that uses Envoy as a reverse proxy and load balancer. Contour enables dynamic configuration updates, advanced routing, and SSL termination, providing a flexible way to manage traffic to Kubernetes services at the network edge.
Prow is a continuous integration and continuous deployment (CI/CD) system built for Kubernetes that automates testing and deployments of applications. Originally developed by the Kubernetes community, Prow integrates with GitHub to automate pull request testing, merges, and other workflows for maintaining Kubernetes repositories.
https://github.com/kubernetes/test-infra/tree/master/prow
Kubeless is a serverless framework for Kubernetes that enables users to deploy and manage functions directly within the cluster. Kubeless integrates with the Kubernetes API and allows developers to build event-driven applications by running functions in response to events like HTTP requests or messages from Kafka.
Krew is a plugin manager for kubectl, the Kubernetes command-line tool. Krew allows users to discover, install, and manage third-party plugins that extend the functionality of kubectl, enabling custom workflows and integrations within the Kubernetes ecosystem.
Tekton is an open-source framework for building CI/CD pipelines in Kubernetes. Tekton provides reusable building blocks for defining and running continuous integration and delivery pipelines, allowing developers to manage all stages of the software development lifecycle directly within Kubernetes.
Crossplane is a control plane that enables the management of cloud resources using Kubernetes APIs. With Crossplane, users can define and provision resources such as databases, storage, and networking infrastructure across multiple cloud providers using Kubernetes manifests, creating a unified management experience.
Kubeflow Pipelines is a component of Kubeflow that enables the orchestration of machine learning workflows on Kubernetes. It simplifies the creation, deployment, and management of end-to-end ML pipelines, making it easier for data scientists and engineers to automate model training and deployment.
https://www.kubeflow.org/docs/components/pipelines/
Longhorn is a distributed block storage solution for Kubernetes that provides highly available, persistent storage. Longhorn automates volume management, snapshotting, and replication across nodes, ensuring that persistent data remains available even in the event of node failures or restarts.
Octant is an open-source developer-centric tool for visualizing Kubernetes clusters. It provides a dashboard that allows users to explore and interact with the resources running in their cluster, helping developers understand relationships between resources, debug issues, and inspect application status in real time.
Weave Scope is a monitoring and visualization tool for Kubernetes that provides a real-time view of the cluster's components and their interactions. Weave Scope allows users to observe network connections, CPU and memory usage, and relationships between pods, containers, and services, making it easier to troubleshoot and optimize performance.
https://www.weave.works/docs/scope/latest/introducing/
Taints and Tolerations in Kubernetes are mechanisms used to control the scheduling of pods on certain nodes. Taints are applied to nodes to prevent pods from being scheduled there unless they have the corresponding tolerations. This is useful for assigning specialized workloads to specific nodes.
https://kubernetes.io/docs/concepts/scheduling-eviction/taint-and-toleration/
Pod Anti-Affinity is a feature in Kubernetes that ensures certain pods are not scheduled on the same node or in the same region as other pods. This can be used to distribute critical workloads across different nodes to improve fault tolerance and avoid resource contention.
https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#affinity-and-anti-affinity
Kubecost is a cost monitoring tool for Kubernetes clusters that helps track resource usage and optimize spending. Kubecost provides detailed insights into the costs of individual pods, nodes, and namespaces, allowing teams to identify inefficiencies and better manage cloud resources.
Kaniko is a tool that enables the building of container images within a Kubernetes cluster, without requiring privileged access to the Docker daemon. Kaniko allows users to build images securely in environments where access to Docker isn’t feasible, making it ideal for CI/CD pipelines running on Kubernetes.
https://github.com/GoogleContainerTools/kaniko
Tilt is a development tool that enables rapid iteration and debugging of Kubernetes applications by simplifying the process of deploying and managing workloads. Tilt provides live updates to applications, making it easier for developers to test and refine changes in real time within a Kubernetes cluster.
KubeHunter is a security auditing tool that scans Kubernetes clusters for vulnerabilities. It performs penetration testing on the cluster to identify potential security weaknesses, such as open ports, insecure configurations, or publicly exposed services, helping administrators improve the security posture of their clusters.
https://github.com/aquasecurity/kube-hunter
Harbor is an open-source container image registry that integrates with Kubernetes to securely store and manage container images. Harbor supports features like image signing, vulnerability scanning, and access control, ensuring that only trusted and secure images are used in Kubernetes environments.
Dynatrace is an observability platform that integrates with Kubernetes to provide full-stack monitoring of applications, infrastructure, and microservices. It offers features like automatic root cause analysis, distributed tracing, and real-time performance monitoring, helping teams maintain the health and performance of Kubernetes workloads.
Elastic Kubernetes Service (EKS) is a managed Kubernetes service provided by Amazon Web Services (AWS). It simplifies the deployment and operation of Kubernetes clusters by automating tasks like patching, node provisioning, and scaling, while allowing users to leverage AWS services for networking, security, and monitoring.
DigitalOcean Kubernetes is a managed Kubernetes service that allows users to deploy, manage, and scale containerized applications on DigitalOcean’s infrastructure. It simplifies cluster management by providing features like one-click installation, automatic node scaling, and integration with other DigitalOcean services like block storage and load balancers.
https://www.digitalocean.com/products/kubernetes/
Azure Kubernetes Service (AKS) is Microsoft Azure’s managed Kubernetes service, providing a simplified way to deploy and manage clusters. AKS offers features like automated updates, scaling, and monitoring, and integrates tightly with Azure’s ecosystem, allowing users to build, deploy, and manage containerized applications with minimal operational overhead.
https://azure.microsoft.com/en-us/services/kubernetes-service/
KubeVirt is an extension for Kubernetes that allows users to run virtual machines (VMs) alongside containers in the same cluster. KubeVirt enables organizations to manage both containerized and non-containerized workloads under a unified platform, providing flexibility in how they deploy and scale different types of applications.
Fission is a serverless framework built on Kubernetes that allows users to deploy functions without managing infrastructure. Fission functions are triggered by events, and the platform automatically handles scaling, routing, and execution, making it easy to build event-driven applications on Kubernetes.
OpenShift is a hybrid cloud platform based on Kubernetes that provides additional tools and services for building, deploying, and managing containerized applications. Developed by Red Hat, OpenShift offers features like developer tooling, CI/CD integration, and enhanced security, along with enterprise support.
Linkerd is a lightweight service mesh designed for securing, observing, and managing microservices in Kubernetes environments. Linkerd provides features like mutual TLS, traffic routing, and observability, enabling developers to secure service-to-service communication without modifying application code.
Trivy is an open-source vulnerability scanner that integrates with Kubernetes to detect security issues in container images, file systems, and repositories. Trivy helps identify potential vulnerabilities in applications before they are deployed, ensuring a more secure Kubernetes environment.
https://github.com/aquasecurity/trivy
K3s is a lightweight, fully compliant Kubernetes distribution designed for resource-constrained environments, such as edge computing and IoT devices. K3s is optimized for low resource usage, making it ideal for small-scale clusters or deployments where traditional Kubernetes might be too heavy.
Argo CD is a declarative, GitOps-based continuous delivery tool for Kubernetes that automates the deployment of applications. Argo CD monitors Git repositories for changes in application manifests and automatically syncs the state of the cluster to match the desired configuration, ensuring consistency and automation in deployments.
https://argoproj.github.io/cd/
Rancher is an open-source platform for managing multiple Kubernetes clusters across different environments, whether on-premises, in the cloud, or at the edge. Rancher simplifies cluster operations by providing a unified interface for deployment, scaling, security, and monitoring, making it easier to manage multi-cluster environments.
Minikube is a tool that allows users to run a single-node Kubernetes cluster locally on their development machine. Minikube is ideal for testing and development purposes, as it simplifies the process of deploying and managing Kubernetes locally without the need for a full-scale cloud infrastructure.
https://minikube.sigs.k8s.io/docs/
KubeEdge is an edge computing platform built on Kubernetes that extends native containerized application orchestration to edge devices. KubeEdge enables real-time processing and management of data at the edge, reducing latency and bandwidth usage by bringing computing closer to the data source.
Tekton Pipelines is an open-source framework for building CI/CD pipelines directly on Kubernetes. It provides a set of Kubernetes-native resources for defining and running pipelines, allowing users to automate the entire software development lifecycle while leveraging the scalability and flexibility of Kubernetes.
Flannel is a simple and easy-to-use overlay network provider for Kubernetes, providing connectivity between pods across different nodes. It allows pods on different nodes to communicate with each other by creating a virtual network that spans the entire cluster.
https://github.com/flannel-io/flannel
Pulumi is an open-source infrastructure-as-code tool that integrates with Kubernetes to define, deploy, and manage infrastructure and applications using modern programming languages. Pulumi allows developers to use code to provision cloud infrastructure and manage Kubernetes resources in a unified workflow.
Jaeger is an open-source distributed tracing tool that integrates with Kubernetes to monitor and troubleshoot microservices-based applications. Jaeger enables developers to visualize the flow of requests through different services, helping to identify performance bottlenecks and improve application observability.
Pachyderm is a data versioning and pipeline tool that runs on Kubernetes, designed for machine learning and big data workloads. Pachyderm provides data lineage tracking, parallel processing, and automated workflows, allowing users to manage complex data science pipelines directly on Kubernetes.
Metal3 is a Kubernetes project designed to provision and manage bare metal servers as part of a Kubernetes cluster. Metal3 uses Kubernetes APIs to manage the lifecycle of physical machines, allowing users to integrate physical hardware management with containerized workloads in a single platform.
Tigera Calico is an open-source networking and network security solution for Kubernetes clusters. Calico provides high-performance networking and enforces network policies, allowing fine-grained control over which pods can communicate with each other and with external resources.
https://projectcalico.docs.tigera.io/
Kraken is an open-source, peer-to-peer (P2P) container registry developed by Uber, designed to speed up the distribution of container images across large-scale Kubernetes clusters. Kraken optimizes bandwidth usage and accelerates image pulls, making it ideal for environments with many nodes and frequent image deployments.
https://github.com/uber/kraken
Portainer is a lightweight management UI for Kubernetes and other container platforms that simplifies container management. Portainer provides an intuitive interface for managing Kubernetes resources, including deployments, services, and volumes, making it easier for developers and administrators to interact with their clusters.
DevSpace is a developer tool that allows you to build, deploy, and debug applications directly within a Kubernetes cluster. DevSpace streamlines the development workflow by automating tasks such as rebuilding images, synchronizing code, and configuring deployments, enabling fast, iterative development.
Krustlet is a project that enables Kubernetes to schedule and run WebAssembly (Wasm) workloads. Krustlet allows users to deploy Wasm applications alongside traditional containerized workloads, offering a new way to leverage the flexibility of Kubernetes for lightweight, portable applications.
Gardener is an open-source project developed by SAP that automates the operation and lifecycle management of Kubernetes clusters. Gardener acts as a meta Kubernetes service that creates and manages multiple clusters, providing a consistent operational layer across cloud providers and on-prem environments.
OPA (Open Policy Agent) is an open-source policy engine that integrates with Kubernetes to enforce fine-grained access control, security, and compliance policies. OPA allows administrators to define custom policies for resource management, security configurations, and workload placement using a declarative language.
https://www.openpolicyagent.org/
Knative Serving is a component of Knative that simplifies the deployment and management of serverless applications on Kubernetes. It automatically scales workloads based on demand, from zero to N instances, providing efficient resource utilization for event-driven applications.
https://knative.dev/docs/serving/
Thanos is an open-source, highly available, long-term storage solution for Prometheus metrics in Kubernetes environments. Thanos enables users to scale Prometheus instances horizontally and aggregate metrics across multiple clusters, providing unified metrics storage and querying.
Elasticsearch Operator is a Kubernetes-native operator that automates the deployment, scaling, and management of Elasticsearch clusters. It simplifies running Elasticsearch in production by managing configurations, rolling upgrades, and failure recovery, ensuring that search and analytics capabilities remain highly available.
https://www.elastic.co/guide/en/cloud-on-k8s/current/k8s-quickstart.html
Flux is a GitOps tool that automates the deployment and synchronization of Kubernetes resources based on changes in a Git repository. Flux continuously monitors Git repositories for configuration changes and applies them to the cluster, ensuring that the actual cluster state matches the desired state defined in code.
Kops is an open-source tool that simplifies the deployment, upgrade, and management of production-grade Kubernetes clusters on cloud platforms like AWS. Kops automates the creation of cluster components, networking, and security policies, providing a robust solution for running Kubernetes in the cloud.
https://github.com/kubernetes/kops
Kata Containers is a project that provides lightweight virtual machines (VMs) with the speed and performance of containers, running inside a Kubernetes cluster. Kata Containers offer enhanced security and isolation, making them suitable for running untrusted or sensitive workloads within a Kubernetes environment.
Kube-bench is a security tool for Kubernetes that checks whether the cluster is configured according to the Center for Internet Security (CIS) Kubernetes benchmark. Kube-bench helps ensure clusters are secure by identifying potential misconfigurations that could lead to vulnerabilities.
https://github.com/aquasecurity/kube-bench
Sealed Secrets is an open-source tool that allows users to encrypt and store secrets in Git repositories while ensuring that only the Kubernetes cluster can decrypt them. Sealed Secrets ensures secure management of sensitive data while enabling GitOps workflows for managing secrets.
https://github.com/bitnami-labs/sealed-secrets
OpenEBS is a container-native storage solution for Kubernetes that provides block storage for stateful applications. Each application gets its own dedicated storage controller, ensuring that data remains highly available and protected, even in the event of node failures.
Carvel is a suite of tools for building, configuring, and deploying applications on Kubernetes. Carvel includes tools like YTT for templating, Kapp for deployment, and Imgpkg for packaging, helping developers manage application lifecycle and configurations more efficiently.
Falco is an open-source runtime security tool that monitors Kubernetes workloads for abnormal behavior and potential security threats. Falco detects system calls and other activity inside the cluster, providing real-time alerts when suspicious activity is detected.
KubeDB is an open-source database management operator that automates the deployment, scaling, backup, and recovery of databases on Kubernetes. KubeDB supports multiple databases like PostgreSQL, MySQL, and MongoDB, making it easy to manage databases alongside containerized applications.
Kubewarden is a policy engine for Kubernetes that allows users to create and enforce security policies using WebAssembly (Wasm). Kubewarden enables lightweight, portable policies that can be dynamically applied to any cluster, offering flexibility in how policies are written and executed.
LitmusChaos is a tool for practicing chaos engineering in Kubernetes environments. It allows users to inject failures and disruptions into their clusters to test the resilience and stability of applications, helping identify weaknesses and improve system robustness.
Kured (Kubernetes Reboot Daemon) is a tool designed to automatically reboot Kubernetes nodes after a kernel update or other system maintenance. Kured watches for the presence of a reboot-required signal and safely drains the node before rebooting, ensuring minimal disruption to running workloads.
https://github.com/weaveworks/kured
OpenTelemetry is an open-source observability framework that provides standardized APIs and instrumentation for collecting metrics, traces, and logs in Kubernetes. It integrates with various backends like Prometheus and Jaeger, making it easier to monitor distributed applications running in a Kubernetes cluster.
Cilium is a cloud-native networking and security solution for Kubernetes that leverages eBPF to enforce network policies and provide deep observability. Cilium allows fine-grained control over communication between pods, enhancing both performance and security in large, complex clusters.
Metrics Server is a lightweight resource monitoring tool for Kubernetes that aggregates CPU and memory usage data across nodes and pods. Metrics Server powers the Horizontal Pod Autoscaler (HPA) and other scaling mechanisms by providing real-time resource utilization data.
https://github.com/kubernetes-sigs/metrics-server
Service Binding Operator simplifies the process of connecting services and applications in Kubernetes. It automates the injection of service connection information (like database credentials) into application pods, reducing the complexity of managing service dependencies and configurations.
Kube-apiserver is the central management component of the Kubernetes control plane, responsible for exposing the Kubernetes API. It processes requests from users, tools, and other components, ensuring the desired state of the cluster is maintained. Kube-apiserver acts as the primary communication hub for cluster operations.
https://kubernetes.io/docs/concepts/overview/components/#kube-apiserver
Kube-router is a networking solution for Kubernetes that integrates networking, network policy enforcement, and service proxy functionality into a single system. Kube-router is built for high-performance routing and is designed to simplify the networking layer within Kubernetes clusters.
Gatekeeper is an open-source policy controller for Kubernetes that enforces custom policies using Open Policy Agent (OPA). Gatekeeper provides a way to ensure compliance and security by allowing users to define and enforce rules for resource configuration, access control, and deployment strategies.
https://open-policy-agent.github.io/gatekeeper/
Trow is a container image registry specifically designed for Kubernetes clusters. It aims to provide a secure and efficient solution for managing container images within the cluster, offering features like admission control and image scanning to ensure only trusted images are used in deployments.
https://github.com/ContainerSolutions/trow
Kata Containers is an open-source project that provides lightweight virtual machines to run container workloads in Kubernetes. Kata Containers offer enhanced isolation and security while maintaining the agility and speed of containerized applications, making them suitable for running sensitive or untrusted workloads.
KubeAudit is a security tool for Kubernetes that performs audits of clusters to detect security misconfigurations. It checks for issues like excessive permissions, exposed secrets, and insecure pod configurations, helping administrators improve the overall security of their Kubernetes clusters.
https://github.com/Shopify/kubeaudit
Skaffold is a command-line tool that automates local development workflows in Kubernetes. It handles the building, pushing, and deployment of containers, enabling continuous development without manually managing deployments, making it easier to iterate quickly while developing on Kubernetes.
Contour is an ingress controller for Kubernetes that uses Envoy as the underlying proxy. It provides advanced routing capabilities, TLS termination, and load balancing, making it easier to manage ingress traffic for applications running in Kubernetes clusters.
Kail is a tool for streaming logs from Kubernetes pods and containers. Kail allows users to easily view logs from multiple pods across different namespaces and applications in real-time, simplifying the process of debugging distributed applications running in the cluster.
Goldilocks is a utility that provides recommendations for optimal CPU and memory requests and limits in Kubernetes. By analyzing historical usage data, Goldilocks helps teams right-size their resources, improving efficiency and preventing over-provisioning or under-provisioning of workloads.
https://github.com/FairwindsOps/goldilocks
Cert-Manager is a Kubernetes controller that automates the issuance, renewal, and management of TLS certificates. Cert-Manager integrates with external certificate authorities (CAs) like Let’s Encrypt, simplifying the process of securing traffic between services within the cluster.
Tilt is a development tool designed for fast, iterative local development on Kubernetes. It automatically syncs code changes, rebuilds containers, and redeploys applications, enabling developers to test and refine their applications in real-time within a Kubernetes cluster.
Rook is an open-source storage orchestrator that enables the management of storage systems like Ceph in Kubernetes clusters. Rook automates the deployment, scaling, and maintenance of storage services, making it easier to provide persistent storage to applications running in the cluster.
PodPreset is a Kubernetes resource that allows administrators to inject environment variables, volumes, or secrets into pods at creation time. PodPresets simplify the configuration of multiple pods by enabling common settings to be applied across all pods in a namespace.
https://kubernetes.io/docs/concepts/workloads/pods/podpreset/
Dex is an open-source identity service that provides authentication for Kubernetes clusters using OpenID Connect (OIDC). Dex integrates with external identity providers like Google, LDAP, or GitHub, allowing Kubernetes clusters to authenticate users based on external credentials.
Velero is an open-source tool for backing up and restoring Kubernetes cluster resources and persistent volumes. It provides disaster recovery capabilities, allowing users to take snapshots of cluster states, schedule regular backups, and migrate workloads between clusters.
Pinniped is an open-source project that provides federated identity management for Kubernetes clusters. It allows users to authenticate to multiple clusters using existing identity providers, like LDAP or OIDC, streamlining access control across multi-cluster environments.
Nuclio is a high-performance serverless platform that allows users to run event-driven functions on Kubernetes. It provides real-time processing capabilities with minimal latency and scales automatically, making it ideal for data-intensive workloads like machine learning or stream processing.
Keptn is an open-source event-driven control plane for automating continuous delivery and automated operations in Kubernetes. Keptn helps manage application lifecycle tasks such as deployments, testing, and rollbacks, while ensuring quality gates and best practices are maintained.
Kubescape is a security tool that scans Kubernetes clusters to detect misconfigurations and compliance violations. It checks against various security frameworks like CIS benchmarks and NSA guidelines, helping teams harden their clusters and improve security postures.
https://github.com/kubescape/kubescape
KubeFlow is an open-source platform that facilitates the development, orchestration, and deployment of machine learning workflows on Kubernetes. KubeFlow supports end-to-end model training, serving, and scaling, making it a popular choice for machine learning operations (MLOps) in cloud-native environments.
Elastic Cloud on Kubernetes (ECK) is an operator that manages Elasticsearch and Kibana deployments on Kubernetes. ECK automates the management of these components, handling tasks like scaling, upgrades, and monitoring, providing an easy way to run Elasticsearch in a cluster.
https://www.elastic.co/guide/en/cloud-on-k8s/current/index.html
k3OS is an operating system purpose-built for running K3s, a lightweight Kubernetes distribution. k3OS integrates directly with K3s and simplifies the deployment and management of edge and IoT Kubernetes clusters by bundling the operating system and cluster runtime into a single package.
Firecracker is a lightweight virtual machine (VM) monitor built for running containerized workloads on Kubernetes with minimal overhead. Originally developed by AWS, Firecracker is designed for security and isolation while maintaining the performance benefits of containers.
https://firecracker-microvm.github.io/
Strimzi is an open-source Kubernetes operator that automates the deployment, management, and scaling of Apache Kafka clusters. Strimzi makes it easier to run Kafka in cloud-native environments by providing tools for managing brokers, topics, and users in a Kubernetes-native way.
Kubewatch is a Kubernetes watcher that monitors changes to resources in a Kubernetes cluster and sends notifications to specified channels like Slack or email. Kubewatch helps administrators stay informed about critical cluster events, such as pod failures or deployment changes.
https://github.com/bitnami-labs/kubewatch
OpenShift Pipelines is a Kubernetes-native CI/CD solution based on Tekton, designed to run on Red Hat OpenShift. It enables the automation of application delivery pipelines by integrating tightly with OpenShift, allowing users to build, deploy, and promote containerized applications across multiple environments.
https://docs.openshift.com/container-platform/4.9/pipelines/understanding-openshift-pipelines.html
Teleport is an open-source identity-aware access proxy for managing access to Kubernetes clusters, servers, and databases. Teleport provides secure access controls, session recording, and audit logging, simplifying secure access management in cloud-native environments.
Kyverno is a policy engine designed for Kubernetes that allows users to define, validate, and enforce policies directly in Kubernetes YAML. Kyverno simplifies compliance, security, and operational policies by enabling users to manage configurations without learning new programming languages.
K9s is a terminal-based UI for managing Kubernetes clusters. K9s provides an interactive and streamlined interface for monitoring and troubleshooting resources like pods, deployments, and services, making it easier to navigate and operate within a cluster directly from the command line.
https://github.com/derailed/k9s
Kiali is an observability console for Istio-based service meshes running on Kubernetes. Kiali provides detailed insights into microservice interactions, showing traffic flows, errors, and service health, helping administrators manage and optimize their service mesh deployments.
Dapr (Distributed Application Runtime) is an open-source project that provides building blocks for microservice development on Kubernetes. Dapr simplifies the integration of services by offering APIs for service discovery, state management, pub/sub messaging, and more, without requiring extensive changes to the application code.
Kong for Kubernetes is an open-source API gateway that runs natively in Kubernetes, providing routing, load balancing, security, and traffic management for services. Kong integrates with Kubernetes to manage API traffic and enforce policies, enabling efficient and secure communication between microservices.
https://docs.konghq.com/kubernetes-ingress-controller/
Aquasec is a container security platform that integrates with Kubernetes to provide real-time threat detection, vulnerability scanning, and compliance enforcement. Aquasec enhances the security of containerized workloads by monitoring for security issues throughout the lifecycle of applications running in Kubernetes clusters.
Ko is a tool for building container images for Go applications and deploying them to Kubernetes without using Docker. Ko simplifies the build process by directly packaging Go applications into images, allowing for faster development and deployment workflows within Kubernetes environments.
Teleport is an open-source identity-aware access proxy for managing secure access to Kubernetes clusters, servers, and databases. It provides features like multi-factor authentication (MFA), session recording, and role-based access controls, allowing teams to enforce security policies for accessing sensitive resources in Kubernetes.
Kubermatic is an open-source platform that simplifies multi-cloud Kubernetes operations. It provides a centralized control plane for managing Kubernetes clusters across different cloud providers, enabling easy provisioning, scaling, and monitoring of clusters in hybrid and multi-cloud environments.
Tanka is a configuration management tool for Kubernetes that uses the JSONNET language. It allows users to create modular, reusable configurations for their clusters, helping to manage complexity by allowing configurations to be easily templated and shared across different environments.
Kanister is an open-source project that enables data management for stateful applications running on Kubernetes. Kanister allows users to perform operations like backups, restores, and data migration, integrating directly with application-level tools to simplify data management tasks.
Reloader is a Kubernetes controller that watches for changes in ConfigMaps and Secrets and reloads the relevant pods automatically. Reloader helps ensure that configuration changes are reflected in running applications without requiring manual intervention to restart pods.
https://github.com/stakater/Reloader
Popeye is a Kubernetes cluster resource sanitizer that scans clusters for misconfigurations and potential issues. Popeye helps administrators identify problems like unused resources, misaligned labels, or missing quotas, helping to improve the overall health and efficiency of a Kubernetes cluster.
https://github.com/derailed/popeye
K0s is a lightweight Kubernetes distribution designed to simplify deployment and management for edge and developer environments. K0s eliminates unnecessary components to reduce resource overhead, making it ideal for running clusters in resource-constrained environments like IoT and edge computing.
Chaos Mesh is a cloud-native chaos engineering platform for Kubernetes that allows users to inject failures into clusters to test the resilience of applications. Chaos Mesh provides a variety of fault-injection scenarios, such as network latency, resource exhaustion, or pod failures, to help teams build more resilient systems.
Kubeless is a serverless framework for Kubernetes that allows users to deploy functions without needing to manage the underlying infrastructure. Kubeless makes it easier to build event-driven applications by automatically scaling functions in response to events like HTTP requests or message queue events.
Lens is an open-source IDE for managing Kubernetes clusters, providing an intuitive graphical interface for exploring and controlling resources. Lens simplifies cluster operations by offering real-time metrics, logs, and access to resources, making it easier for developers and administrators to manage complex cluster environments.
Gloo Edge is a Kubernetes-native API gateway that provides advanced traffic management, load balancing, security, and API transformation features. Gloo Edge enables users to control and route traffic for microservices, ensuring efficient communication between services within a Kubernetes cluster and external clients.
https://www.solo.io/products/gloo-edge/
Knative Eventing is a component of Knative that provides tools for building event-driven applications on Kubernetes. It allows services to produce and consume events, making it easier to manage asynchronous workflows in distributed systems. Knative Eventing integrates with event sources like HTTP, Kafka, and cloud services.
https://knative.dev/docs/eventing/
Longhorn is a distributed block storage solution for Kubernetes that provides highly available, persistent storage for stateful applications. Longhorn simplifies the management of persistent volumes by handling tasks like replication, snapshots, and backup scheduling, making storage management easy for Kubernetes clusters.
KUDO (Kubernetes Universal Declarative Operator) is a framework for building Kubernetes operators that automate the deployment and management of complex applications. KUDO simplifies the creation of operators by abstracting common tasks, allowing developers to focus on the logic specific to their application.
Metallb is a network load balancer designed for bare-metal Kubernetes clusters. It provides a solution for assigning external IP addresses to services in environments where cloud provider load balancers are unavailable, making it easier to expose applications running in on-premise Kubernetes clusters.
Kubefwd is a command-line tool that simplifies the process of forwarding services running in a Kubernetes cluster to the local machine. Kubefwd enables developers to access services running in the cluster using local hostnames, making it easier to debug and interact with cluster resources.
https://github.com/txn2/kubefwd
Kivano is a lightweight multi-cluster management tool for Kubernetes. It enables the administration of multiple Kubernetes clusters from a single interface, helping users view and manage resources, monitor health, and deploy applications across clusters more efficiently.
https://github.com/kivano/kivano
Firekube is a platform that enables the rapid deployment of secure Kubernetes clusters using lightweight Kata Containers and Weave Ignite. Firekube focuses on simplifying the creation of secure, VM-based clusters for running isolated workloads with minimal overhead.
https://www.weave.works/oss/firekube/
Skupper is a multi-cluster communication layer for Kubernetes that enables services to securely communicate across multiple clusters or datacenters. Skupper allows for network traffic to be routed between clusters, enabling hybrid or multi-cloud deployments without exposing services to the public internet.
Headlamp is an open-source web-based user interface for managing Kubernetes clusters. Headlamp provides an easy-to-use graphical interface for visualizing and controlling cluster resources, such as deployments, pods, and services, making cluster management more accessible to users with different experience levels.
https://kinvolk.io/docs/headlamp/latest/
Graviton is a lightweight container runtime optimized for running WebAssembly (Wasm) applications on Kubernetes. Graviton allows developers to run Wasm workloads alongside traditional containers, providing better isolation and security while maintaining the portability of Kubernetes.
https://github.com/graetzer/graviton
Velero Restic Integration enhances Velero by allowing it to back up and restore persistent volumes using the open-source Restic tool. This integration provides an additional method for protecting data in stateful applications, enabling efficient and secure volume backups for Kubernetes clusters.
https://velero.io/docs/main/restic/
Pluto is a tool for identifying deprecated API versions in Kubernetes resources. Pluto helps cluster administrators prepare for future Kubernetes upgrades by scanning manifests and cluster resources to detect usage of deprecated features, making migrations to new versions of Kubernetes easier.
https://github.com/FairwindsOps/pluto
Pixie is an open-source observability platform for Kubernetes that provides real-time debugging and performance monitoring without the need for manual instrumentation. Pixie collects telemetry data automatically from Kubernetes clusters, enabling developers to gain insights into application behavior and troubleshoot issues quickly.
KrakenD is an open-source API gateway that integrates with Kubernetes to manage, transform, and secure traffic between microservices and external clients. KrakenD offers high performance, allowing for traffic shaping, caching, rate limiting, and advanced request/response transformations.
k0s is an open-source, lightweight distribution of Kubernetes designed to be easy to install and manage, making it suitable for edge computing and small-scale environments. k0s is fully compliant with the Kubernetes API and simplifies cluster operations with minimal resource overhead.
Kuma is a multi-cloud, multi-cluster service mesh that simplifies traffic management, security, and observability in Kubernetes clusters. Kuma automates the deployment of service meshes across multiple environments and integrates with Envoy to provide consistent policies and monitoring.
Litmus is an open-source chaos engineering tool for practicing chaos experiments in Kubernetes clusters. Litmus allows users to inject faults like network delays, resource constraints, and pod failures into clusters, helping them identify weaknesses in their system's resilience.
Cluster Autoscaler is a component that automatically adjusts the size of a Kubernetes cluster based on the resource needs of the running pods. It increases or decreases the number of nodes in a cluster dynamically, ensuring that workloads have enough resources while optimizing costs.
https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler
Weave Ignite is an open-source container-optimized virtual machine solution that integrates with Kubernetes. Weave Ignite combines the benefits of VMs and containers, enabling users to run lightweight VMs that can be managed alongside containers in a Kubernetes cluster.
https://www.weave.works/oss/ignite/
Pachyderm is a data-centric pipeline system built on Kubernetes that provides version control for data, enabling reproducible data science workflows. Pachyderm automates tasks such as data preprocessing, model training, and deployment, making it ideal for managing large-scale machine learning pipelines.
Dask is a parallel computing library that integrates with Kubernetes to scale Python workloads. Dask allows users to parallelize computation across multiple nodes in a Kubernetes cluster, enabling efficient data processing and machine learning tasks on large datasets.
Rook Ceph is a storage orchestrator for managing Ceph clusters in Kubernetes. It automates the provisioning, scaling, and management of Ceph storage, allowing for the deployment of block, object, and file storage systems within Kubernetes environments.
https://rook.io/docs/rook/v1.7/ceph-storage/
PodSecurityAdmission is a feature in Kubernetes that enforces security standards for pods by ensuring that they meet predefined security constraints. It replaces the deprecated PodSecurityPolicy and provides a more flexible mechanism to manage pod security in the cluster.
https://kubernetes.io/docs/concepts/security/pod-security-admission/
Anchore is a container security tool that scans container images in Kubernetes for vulnerabilities, policy violations, and compliance issues. Anchore integrates with CI/CD pipelines to ensure that only secure and compliant images are deployed to Kubernetes clusters.
Tilt is a developer tool that accelerates Kubernetes development workflows by automating the build, deploy, and update cycle. It allows developers to continuously sync code changes and see the effects immediately in a live Kubernetes cluster, improving productivity during application development.
Portworx is a container-native storage solution that provides scalable, persistent storage for stateful applications running on Kubernetes. Portworx offers advanced features like dynamic volume provisioning, snapshots, and multi-cloud disaster recovery, ensuring data availability across clusters.
Dex is an identity service that integrates with Kubernetes to enable authentication using external identity providers like LDAP, SAML, and OIDC. Dex allows users to authenticate to Kubernetes clusters using their existing credentials, simplifying access control management in multi-cloud environments.
Trivy is a vulnerability scanner that integrates with Kubernetes to detect security issues in container images, file systems, and application dependencies. Trivy scans for known vulnerabilities and provides actionable insights to improve the security of applications running in Kubernetes clusters.
https://github.com/aquasecurity/trivy
Cloud Custodian is a rules engine that integrates with Kubernetes to enforce policies for cost optimization, security, and compliance. Cloud Custodian allows administrators to define policies that automatically take action on resources in the cluster, such as shutting down idle workloads or ensuring security compliance.
Kiali is an observability tool for managing and visualizing service meshes in Kubernetes, specifically for Istio. It provides real-time monitoring of traffic, tracing, and service health within a service mesh, helping operators manage complex microservices architectures with ease.
Crossplane is an open-source Kubernetes add-on that allows users to manage cloud infrastructure using Kubernetes APIs. Crossplane enables users to define and provision cloud resources like databases, storage, and networks using declarative configuration, integrating infrastructure management into the same workflows as application management.
OPA Gatekeeper is a policy controller for Kubernetes that enforces policies defined using Open Policy Agent (OPA). It ensures compliance with security and operational policies by validating and mutating resources as they are created or modified within the cluster.
https://open-policy-agent.github.io/gatekeeper/
Strimzi is an operator that simplifies the deployment and management of Apache Kafka clusters on Kubernetes. Strimzi provides tools for managing Kafka brokers, topics, and users, making it easier to run and scale Kafka in a cloud-native environment.
KubeVirt is a Kubernetes extension that enables the management and orchestration of virtual machines (VMs) alongside containers. KubeVirt allows users to run traditional VM workloads in the same environment as containerized applications, providing a unified platform for both types of workloads.
Quarkus is a Kubernetes-native Java framework optimized for building and running Java applications on Kubernetes. Quarkus is designed for fast startup times and low memory usage, making it ideal for running Java microservices in cloud-native environments.
Kubebuilder is a framework for building Kubernetes operators using Go. Kubebuilder provides libraries and tools that simplify the creation of operators to automate the management of complex, custom resources in Kubernetes clusters.
Thanos is a scalable, highly available storage solution for Prometheus metrics in Kubernetes. Thanos provides long-term storage and aggregation across multiple Prometheus instances, enabling users to query metrics from multiple clusters in a unified view.
Krustlet is a Kubelet implementation that runs WebAssembly (Wasm) workloads within a Kubernetes cluster. Krustlet allows users to deploy and manage WebAssembly applications, enabling secure, lightweight, and portable execution environments alongside traditional containerized workloads.
OPA (Open Policy Agent) is a general-purpose policy engine that integrates with Kubernetes to enforce fine-grained security, compliance, and operational policies. OPA enables administrators to define policies in a high-level language that can be used to manage access control, resource limits, and other aspects of cluster management.
https://www.openpolicyagent.org/
KubeEdge is an open-source platform that extends Kubernetes to edge computing, allowing applications to run closer to where data is generated. KubeEdge provides infrastructure support for edge devices and enables communication between cloud-based Kubernetes clusters and edge nodes, helping manage workloads across distributed environments.
Meshery is a service mesh management tool that supports multiple service meshes such as Istio, Linkerd, and Consul. Meshery provides performance benchmarking, observability, and lifecycle management for service meshes, allowing users to compare and optimize service mesh configurations across their Kubernetes environments.
NATS Streaming is a messaging system designed for real-time messaging in cloud-native environments like Kubernetes. NATS Streaming offers publish/subscribe, request/reply, and distributed queueing capabilities, making it ideal for event-driven microservices running in Kubernetes clusters.
Keda (Kubernetes Event-Driven Autoscaling) is an open-source project that enables event-driven scaling for Kubernetes workloads. Keda integrates with external event sources like message queues and cloud services, allowing workloads to automatically scale based on the number of events rather than traditional resource usage metrics.
Weave Scope is a visualization and monitoring tool for Kubernetes clusters that provides real-time insights into the relationships between pods, containers, and services. Weave Scope helps developers and operators visualize the network topology, track performance metrics, and troubleshoot issues within their clusters.
https://www.weave.works/docs/scope/latest/
Cortex is an open-source project for horizontally scalable, long-term storage of Prometheus metrics in Kubernetes environments. Cortex allows users to store and query metrics from multiple clusters in a centralized location, making it easier to manage observability in large-scale environments.
Kiali is a management console that provides observability for Istio-based service meshes running on Kubernetes. It helps users understand service mesh traffic patterns, health metrics, and relationships between services, making it easier to manage service-to-service communication within a Kubernetes environment.
Argo Workflows is a container-native workflow engine for orchestrating parallel tasks on Kubernetes. Argo Workflows allows users to define multi-step workflows as directed acyclic graphs (DAGs), enabling the automation of complex CI/CD pipelines, data processing, and machine learning workflows.
https://argoproj.github.io/argo-workflows/
Pulumi is an infrastructure-as-code tool that integrates with Kubernetes, allowing developers to define and manage cloud infrastructure using real programming languages like JavaScript, Python, or Go. Pulumi helps automate the provisioning of infrastructure resources alongside Kubernetes applications, simplifying deployment pipelines.
Gitea is an open-source Git service that can be deployed on Kubernetes to provide lightweight, self-hosted Git repositories for development teams. Gitea integrates with CI/CD tools and supports team collaboration, making it an ideal choice for organizations looking to manage their own version control within a Kubernetes cluster.
OpenELB is an open-source load balancer for bare-metal Kubernetes clusters. It provides load balancing for services by assigning external IP addresses, allowing external traffic to be routed to services running in a cluster without relying on cloud provider-specific load balancers.
Karmada is a multi-cloud, multi-cluster orchestration tool that enables unified control over multiple Kubernetes clusters. Karmada provides cross-cluster scheduling and resource propagation, making it easier to deploy and manage applications across multiple cloud environments or data centers.
https://github.com/karmada-io/karmada
Calico is a networking and network security solution for Kubernetes that enables high-performance networking and enforces security policies. Calico provides fine-grained control over traffic between pods, helping users secure their microservices by defining rules for allowed communication paths.
https://docs.projectcalico.org/
Kubewarden is a policy engine for Kubernetes that uses WebAssembly (Wasm) to define and enforce security and compliance policies. Kubewarden allows administrators to create policies that validate or mutate cluster resources at runtime, offering flexibility and performance in managing cluster-wide policies.
Helmfile is a declarative tool for managing Helm charts in Kubernetes clusters. Helmfile simplifies the management of multiple Helm releases by defining chart dependencies, values, and releases in a single file, making it easier to manage complex application configurations.
https://github.com/roboll/helmfile
Flagger is a progressive delivery tool for Kubernetes that automates the deployment and canary release process. Flagger works with Istio, Linkerd, and other service meshes to gradually introduce new application versions, monitoring their performance and rolling back if issues are detected.
KubeDownscaler is a Kubernetes controller that automatically scales down deployments, stateful sets, and other resources during off-peak hours to save resources. KubeDownscaler helps optimize cluster resource usage by reducing the number of running instances when demand is low, and scaling them back up during peak times.
https://github.com/hjacobs/kube-downscaler
Sidero is an open-source bare-metal provisioning tool for Kubernetes clusters. Sidero simplifies the process of deploying and managing Kubernetes on physical servers by automating the provisioning, bootstrapping, and management of nodes, enabling a seamless experience for managing on-prem infrastructure.
MetalLB is a network load balancer for bare-metal Kubernetes clusters that provides an implementation of the load balancer service type. MetalLB allows services to expose external IPs in environments without a cloud provider, making it easier to run production workloads on bare-metal infrastructure.
Kubevela is a modern application delivery platform built on Kubernetes that simplifies application management through the use of declarative application definitions. Kubevela abstracts away the complexity of deploying and managing cloud-native applications, providing developers with a simplified workflow for deploying applications to Kubernetes.
Sealed Secrets is a tool that encrypts Kubernetes secrets and stores them in Git repositories. These encrypted secrets can only be decrypted by the Kubernetes cluster, allowing for secure storage and GitOps workflows where sensitive information is version-controlled alongside application configurations.
https://github.com/bitnami-labs/sealed-secrets
Kubermatic is an open-source platform that simplifies the deployment, scaling, and management of multiple Kubernetes clusters across different cloud providers or on-premises infrastructure. Kubermatic provides a centralized control plane for managing diverse clusters from a single interface.
OPA Gatekeeper integrates the Open Policy Agent (OPA) with Kubernetes, allowing administrators to define and enforce custom security and compliance policies. Gatekeeper validates cluster resources against policies during creation and modification, ensuring they meet organizational standards.
https://github.com/open-policy-agent/gatekeeper
Flux CD is a GitOps tool that automates the deployment of Kubernetes resources by continuously monitoring a Git repository for changes and syncing those changes to the cluster. Flux ensures that the actual cluster state matches the desired state as defined in Git, enabling version-controlled deployments.
Supergiant is an open-source platform that automates the provisioning and scaling of Kubernetes clusters. Supergiant helps manage Kubernetes at scale by monitoring cluster performance, optimizing resource allocation, and ensuring that workloads are distributed efficiently.
Istio is an open-source service mesh for Kubernetes that provides traffic management, security, and observability between microservices. Istio simplifies the operation of microservices by abstracting service-to-service communication, making it easier to manage, secure, and monitor distributed applications.
Kustomize is a configuration management tool for Kubernetes that allows users to customize resource manifests without modifying the original files. Kustomize enables layering of configurations, making it easy to maintain different environments like development, staging, and production using the same base configuration.
Weave Net is a simple, fast, and secure network for Kubernetes clusters. It creates an overlay network that allows pods on different nodes to communicate with each other as if they were on the same local network, enabling connectivity across the entire cluster.
https://www.weave.works/docs/net/latest/kubernetes/kube-addon/
ExternalDNS is a Kubernetes add-on that automatically configures DNS providers based on Kubernetes service and ingress resources. ExternalDNS ensures that external DNS records are kept in sync with changes in the cluster, allowing services to be accessible via human-readable domain names.
https://github.com/kubernetes-sigs/external-dns
KEDA (Kubernetes Event-Driven Autoscaling) is an open-source project that allows for event-driven scaling of Kubernetes workloads. KEDA integrates with various event sources like Kafka, RabbitMQ, and Azure Queue Storage, enabling workloads to scale based on the rate of incoming events.
OpenFaaS is a serverless platform for Kubernetes that allows developers to deploy and manage functions as a service (FaaS). OpenFaaS makes it easy to run event-driven functions in response to HTTP requests, messages, or other triggers, enabling serverless computing within a Kubernetes cluster.
Spinnaker is an open-source, multi-cloud continuous delivery (CD) platform that integrates with Kubernetes to automate the deployment of applications. Spinnaker supports advanced deployment strategies like canary releases and blue-green deployments, helping teams manage Kubernetes application lifecycles with ease.
Jaeger is an open-source, end-to-end distributed tracing system that integrates with Kubernetes to monitor and troubleshoot microservices. Jaeger allows developers to trace requests across services, helping them identify performance bottlenecks and understand the flow of data in distributed applications.
Velero is a backup and disaster recovery tool for Kubernetes clusters that provides snapshot, restore, and migration capabilities for cluster resources and persistent volumes. Velero allows administrators to take backups of their cluster’s state and quickly recover from failures or migrate workloads between clusters.
Rancher is an open-source platform for managing multiple Kubernetes clusters across cloud and on-prem environments. Rancher simplifies Kubernetes operations by providing a centralized management interface, enabling users to deploy, scale, monitor, and secure clusters from a single platform.
Prometheus Operator automates the deployment and configuration of Prometheus monitoring systems within Kubernetes. The Prometheus Operator simplifies the process of managing Prometheus instances, alerting rules, and monitoring configurations, providing deep observability into Kubernetes clusters.
https://github.com/prometheus-operator/prometheus-operator
Thanos is an open-source extension for Prometheus that provides scalable, highly available, long-term storage of metrics. Thanos allows users to run multiple Prometheus instances across clusters, aggregating and storing metrics data for querying across different environments.
Kubecost is a cost monitoring tool for Kubernetes that provides insights into the costs of running workloads within a cluster. Kubecost helps teams optimize resource utilization and control cloud spending by analyzing the cost of CPU, memory, storage, and other resources consumed by applications.
Trivy is a vulnerability scanner that integrates with Kubernetes to scan container images, file systems, and configuration files for security issues. Trivy helps identify known vulnerabilities and misconfigurations in running containers and Kubernetes resources, enhancing the security of cluster deployments.
https://github.com/aquasecurity/trivy
Cert-Manager is a Kubernetes add-on that automates the management and issuance of TLS certificates for Kubernetes services. Cert-Manager integrates with certificate authorities like Let's Encrypt to handle certificate lifecycle tasks such as renewal, validation, and secure storage of keys.
Kind (Kubernetes in Docker) is a tool for running local Kubernetes clusters using Docker containers as nodes. Kind is often used for testing and development purposes, allowing users to spin up lightweight Kubernetes clusters quickly on their local machines.
Kube-state-metrics is a monitoring tool for Kubernetes that listens to the Kubernetes API and generates metrics about the state of cluster resources such as pods, nodes, and deployments. These metrics are consumed by monitoring systems like Prometheus to track the health and performance of Kubernetes objects.
https://github.com/kubernetes/kube-state-metrics
Pinniped is an open-source identity service that provides secure, federated authentication for Kubernetes clusters. Pinniped integrates with external identity providers such as LDAP or OIDC, allowing Kubernetes clusters to authenticate users and service accounts using their existing credentials.
Kaniko is a tool for building container images within Kubernetes clusters without requiring privileged access to the Docker daemon. Kaniko is ideal for CI/CD pipelines running in Kubernetes environments, allowing users to securely build images from Dockerfiles and push them to container registries.
https://github.com/GoogleContainerTools/kaniko
Portainer is a lightweight container management platform that provides a user-friendly interface for managing Kubernetes clusters. Portainer simplifies operations such as deploying applications, monitoring resources, and controlling access, making Kubernetes more accessible to users without extensive command-line experience.
Kubeflow Pipelines is a component of Kubeflow that enables the creation, deployment, and monitoring of machine learning workflows on Kubernetes. Kubeflow Pipelines helps data scientists automate end-to-end machine learning tasks, from data processing to model training and deployment.
https://www.kubeflow.org/docs/components/pipelines/
Gatekeeper is a policy controller for Kubernetes that enforces policies defined using the Open Policy Agent (OPA). Gatekeeper ensures that Kubernetes resources comply with organizational policies by validating requests at runtime and denying those that violate rules.
https://github.com/open-policy-agent/gatekeeper
Dex is an identity provider that integrates with Kubernetes to provide authentication via OpenID Connect (OIDC) and LDAP. Dex enables Kubernetes clusters to authenticate users using external identity providers, ensuring centralized access management across clusters.
Krustlet is an extension of the Kubernetes Kubelet that enables the scheduling and execution of WebAssembly (Wasm) workloads. Krustlet allows users to run Wasm applications alongside traditional containers, providing secure and lightweight execution environments within Kubernetes clusters.
Skupper is a network service that allows Kubernetes services to communicate across multiple clusters or data centers. Skupper enables secure, multi-cluster communication without exposing services to the public internet, making it easier to build hybrid cloud and multi-region applications.
Velero Restic Integration enhances the functionality of Velero by allowing it to use Restic for backing up and restoring persistent volumes in Kubernetes clusters. This integration provides a flexible and lightweight solution for managing backup and recovery processes without relying on cloud-specific snapshots.
https://velero.io/docs/v1.7/restic/
Kubebuilder is a framework for building Kubernetes operators. It simplifies the development of custom resources and controllers, enabling users to automate the management of complex applications in Kubernetes clusters using well-structured Go code.
Thanos Ruler is a component of Thanos that provides rule evaluation and alerting capabilities for long-term metric storage in Kubernetes environments. Thanos Ruler continuously evaluates Prometheus-style rules and triggers alerts based on time-series data stored across multiple clusters.
https://thanos.io/tip/components/rule.md/
Kube-ops-view is a tool for visualizing the operational state of Kubernetes clusters. It provides a real-time, graphical dashboard showing resource utilization, node health, and the status of pods and deployments, helping administrators monitor and troubleshoot Kubernetes environments.
https://codeberg.org/hjacobs/kube-ops-view
Kubectl trace is a tool for running system tracing and debugging using the BPF (Berkeley Packet Filter) in Kubernetes clusters. Kubectl trace enables administrators to perform on-the-fly performance analysis and troubleshooting of Kubernetes workloads without modifying application code.
https://github.com/iovisor/kubectl-trace
KubeSphere is an open-source platform that provides multi-tenant, multi-cloud, and multi-cluster management for Kubernetes. KubeSphere simplifies the operation of complex Kubernetes environments by providing an easy-to-use web interface for managing resources, observability, CI/CD pipelines, and DevOps tools.
K3d is a lightweight wrapper for running K3s in Docker containers, making it easy to create and manage Kubernetes clusters on local machines. K3d is ideal for development, testing, and CI workflows, providing a fast and minimal Kubernetes environment.
Firecracker is a microVM (virtual machine) manager designed for running lightweight containers or functions as isolated VMs in Kubernetes. Firecracker provides enhanced security and isolation for workloads, particularly in multi-tenant environments, while maintaining the agility of containers.
https://firecracker-microvm.github.io/
Rook NFS is a component of the Rook project that enables the provisioning and management of NFS (Network File System) storage in Kubernetes clusters. Rook NFS simplifies the deployment of shared, persistent storage for applications that require NFS in cloud-native environments.
https://rook.io/docs/rook/v1.7/nfs.html
Tilt is a developer-focused tool that automates and streamlines the process of building, deploying, and debugging Kubernetes applications locally. Tilt watches for code changes, synchronizes updates with running containers, and provides real-time feedback, enabling rapid iteration during development.
Argo Rollouts is a Kubernetes controller that provides advanced deployment strategies such as blue-green, canary, and progressive delivery. Argo Rollouts integrates with metrics and analysis tools to automate safe and reliable application rollouts, allowing users to gradually shift traffic to new versions and automatically rollback in case of failures.
https://argoproj.github.io/argo-rollouts/
Virtual Kubelet is an open-source project that abstracts the Kubernetes node layer to allow virtual nodes, making it easier to connect Kubernetes clusters to external compute environments. Virtual Kubelet allows Kubernetes to use external services, like serverless platforms or other container orchestrators, to schedule and run pods.
Karpenter is a dynamic cluster autoscaler for Kubernetes that automatically provisions new nodes based on the resource requirements of pending pods. Karpenter simplifies infrastructure scaling by making intelligent decisions about when and where to add or remove compute capacity in response to workload demands.
OpenKruise is an open-source extension of Kubernetes that enhances workload orchestration and management. It provides advanced features like in-place updates, daemon sidecars, and container reallocation, making it easier to manage large-scale, complex applications within Kubernetes clusters.
Cilium Hubble is a networking and observability tool for Kubernetes clusters using Cilium. Hubble provides real-time visibility into network flows, service dependencies, and security policies, helping operators understand and troubleshoot complex networking behaviors in cloud-native environments.
Akri is an open-source project designed to enable the discovery and use of edge devices within Kubernetes clusters. Akri makes devices like cameras, sensors, and GPUs accessible to Kubernetes workloads, helping extend Kubernetes' reach into IoT and edge computing environments.
https://github.com/project-akri/akri
Octant is a web-based tool for managing and visualizing Kubernetes clusters. It provides a graphical interface for exploring resources like pods, deployments, and services, and offers real-time insights into the state of a cluster, making Kubernetes management more accessible.
Kilo is a multi-cluster network mesh for Kubernetes that connects pods across different clusters and regions. Kilo builds an encrypted mesh network, allowing Kubernetes clusters in various locations to communicate securely, enabling hybrid cloud and multi-cloud architectures.
Harbor is an open-source container registry that integrates with Kubernetes to provide security, vulnerability scanning, and image management. Harbor ensures that container images stored in the registry are secure and compliant, and it provides role-based access control (RBAC) for managing image repositories.
Cortex is an open-source platform that provides horizontally scalable, long-term storage for Prometheus metrics. Cortex aggregates metrics from multiple Kubernetes clusters, offering high availability and scalability for monitoring large-scale, distributed applications.
Kata Containers is an open-source project that combines lightweight virtual machines (VMs) with the speed and flexibility of containers. Kata Containers runs in Kubernetes environments to provide enhanced isolation and security for container workloads, making it ideal for running untrusted or sensitive applications.
Kubecost is a cost optimization tool that helps monitor and manage cloud spending in Kubernetes clusters. It provides insights into resource usage, helping teams identify inefficiencies and optimize their cluster configurations to reduce operational costs.
Kubewarden is a Kubernetes policy engine that uses WebAssembly (Wasm) to enforce policies in real time. Kubewarden enables administrators to define custom policies that validate or mutate resources during their creation or modification, ensuring security and compliance across Kubernetes clusters.
Rancher Fleet is a Kubernetes-native continuous delivery (CD) tool designed to manage applications across multiple clusters. Fleet enables GitOps-style deployment, allowing organizations to manage and scale thousands of Kubernetes clusters with a single management layer.
Knative Serving is a component of Knative that enables developers to build and deploy serverless applications on Kubernetes. Knative Serving automatically scales applications up and down based on demand, allowing efficient resource usage for event-driven workloads.
https://knative.dev/docs/serving/
KubeLinter is a static analysis tool for Kubernetes that checks YAML files and Helm charts for potential issues and best practice violations. KubeLinter helps teams identify misconfigurations early in the development process, improving the security and reliability of Kubernetes deployments.
https://github.com/stackrox/kube-linter
Argocd-vault-plugin is a plugin for Argo CD that allows it to retrieve secrets from external secret management tools such as HashiCorp Vault. This integration helps securely manage and inject secrets into Kubernetes clusters during deployments without hardcoding them into manifests.
https://github.com/argoproj-labs/argocd-vault-plugin
Metal3 is an open-source project that integrates bare-metal provisioning into Kubernetes. Metal3 enables the management of physical infrastructure as Kubernetes resources, allowing users to treat bare-metal servers similarly to virtualized resources, simplifying data center operations.
LitmusChaos is a Kubernetes-native chaos engineering framework that enables users to inject failures into Kubernetes clusters to test the resilience of applications. LitmusChaos provides a set of predefined experiments to simulate conditions like pod failures, network delays, and resource constraints.
Portworx is a cloud-native storage solution for Kubernetes that provides persistent storage for stateful applications. Portworx offers features such as volume snapshots, replication, and disaster recovery, ensuring data availability and durability across clusters.
Kubernetes Dashboard is a web-based user interface for managing Kubernetes clusters. It provides visibility into cluster resources, including nodes, pods, and services, and allows users to manage applications, deploy containerized apps, and troubleshoot issues through a graphical interface.
https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/
Krustlet is an alternative Kubelet implementation that enables Kubernetes clusters to run WebAssembly (Wasm) workloads. Krustlet allows developers to run lightweight Wasm-based applications within Kubernetes, providing a secure and efficient execution environment alongside traditional containers.
Kiali is an observability tool for monitoring Istio-based service meshes in Kubernetes. It provides insights into service dependencies, traffic flows, and health metrics, making it easier to troubleshoot microservice architectures deployed with a service mesh.
Contour is a Kubernetes ingress controller that uses Envoy as a reverse proxy and load balancer. Contour enables advanced routing, load balancing, and TLS termination, allowing developers to manage external traffic to services in a Kubernetes cluster.
Trow is a container image registry designed specifically for Kubernetes clusters. Trow offers integrated security features such as image scanning and policy enforcement, ensuring that only trusted container images are deployed in the cluster.
https://github.com/ContainerSolutions/trow
Kube-bench is a security auditing tool that checks whether a Kubernetes cluster is configured according to best practices and security benchmarks, such as the CIS Kubernetes Benchmark. Kube-bench helps administrators identify and fix security vulnerabilities in their clusters.
https://github.com/aquasecurity/kube-bench
Kyverno is a Kubernetes-native policy engine that allows users to define, validate, and enforce policies for resource configurations in a cluster. Kyverno ensures that Kubernetes resources comply with security, operational, and compliance standards by enforcing policies at runtime.
Kube-hunter is an open-source security tool that scans Kubernetes clusters for vulnerabilities. Kube-hunter performs penetration testing and identifies misconfigurations or weaknesses in the cluster's setup, helping administrators secure their environments.
https://github.com/aquasecurity/kube-hunter
Elastic Cloud on Kubernetes (ECK) is an operator that automates the deployment and management of Elasticsearch and Kibana in Kubernetes. ECK simplifies scaling, upgrading, and securing Elasticsearch clusters, ensuring that data analytics and search workloads are efficiently managed.
https://www.elastic.co/guide/en/cloud-on-k8s/current/index.html
Cloud Custodian is a rules engine that automates resource management tasks in cloud environments, including Kubernetes clusters. Cloud Custodian enables administrators to enforce policies for cost optimization, security, and compliance, taking automated actions based on resource usage patterns.
Open Policy Agent (OPA) is a general-purpose policy engine that allows users to enforce policies across Kubernetes clusters. It decouples policy decisions from code, making it easier to manage and enforce security, compliance, and operational policies within Kubernetes environments.
https://www.openpolicyagent.org/
CRI-O is a lightweight container runtime specifically designed for Kubernetes. CRI-O implements the Container Runtime Interface (CRI) and allows Kubernetes to run containers without relying on Docker, offering improved performance and resource efficiency.
NATS is a high-performance messaging system often used in Kubernetes for building real-time, event-driven applications. NATS supports publish/subscribe, request/reply, and distributed queueing patterns, making it a robust choice for inter-service communication in microservices architectures.
Kubefwd is a command-line tool that simplifies accessing services within Kubernetes clusters by port-forwarding them to a developer’s local machine. Kubefwd makes it easier to work on microservices by enabling developers to access Kubernetes services using local hostnames, facilitating debugging and development.
https://github.com/txn2/kubefwd
Quarkus is a Kubernetes-native Java framework designed to optimize Java applications for container environments. Quarkus enables fast startup times and low memory usage, making it ideal for running Java microservices in cloud-native environments like Kubernetes.
Rook Ceph is a component of the Rook project that enables the management of Ceph storage clusters within Kubernetes. Rook Ceph provides scalable block, object, and file storage, allowing applications to leverage reliable and persistent storage in cloud-native environments.
https://rook.io/docs/rook/v1.7/ceph-storage/
Dapr (Distributed Application Runtime) is an open-source runtime that simplifies building microservices on Kubernetes. Dapr provides building blocks such as service discovery, state management, and pub/sub messaging, enabling developers to build event-driven, distributed applications with minimal complexity.
Harbor is an open-source container image registry that integrates with Kubernetes to provide security, image scanning, and access control. Harbor ensures that only trusted and secure container images are deployed in Kubernetes environments, helping organizations manage container lifecycle securely.
Okteto is a development platform for Kubernetes that automates the deployment of development environments. Okteto simplifies the workflow for cloud-native development by providing tools to synchronize code, automate builds, and enable continuous development directly within Kubernetes clusters.
Kong for Kubernetes is an API gateway and ingress controller that manages API traffic within Kubernetes clusters. Kong offers features like authentication, rate limiting, and traffic management, making it easier to secure and control API traffic between services in microservice architectures.
https://docs.konghq.com/kubernetes-ingress-controller/
Bottlerocket is a Linux-based operating system specifically designed by AWS for running containerized workloads on Kubernetes. Bottlerocket is optimized for security and performance, providing a minimalistic environment that reduces the attack surface by only including essential components for running containers.
Spinnaker is a continuous delivery platform that integrates with Kubernetes to automate the deployment, scaling, and management of applications. Spinnaker supports multi-cloud environments, enabling advanced deployment strategies like canary releases and blue-green deployments across Kubernetes clusters.
Pulumi is an infrastructure-as-code tool that allows developers to define and manage cloud infrastructure, including Kubernetes resources, using modern programming languages such as TypeScript, Python, and Go. Pulumi enables seamless integration between infrastructure and application code for Kubernetes deployments.
Keda (Kubernetes Event-Driven Autoscaling) is a Kubernetes add-on that allows users to automatically scale workloads based on the number of events in external event sources like message queues or databases. Keda enables event-driven architectures by integrating with metrics and scaling Kubernetes workloads dynamically.
Argo Workflows is an open-source workflow engine for Kubernetes that orchestrates parallel tasks in containerized environments. Argo Workflows allows users to define complex workflows as Directed Acyclic Graphs (DAGs), enabling automation for tasks like data processing, CI/CD, and machine learning pipelines.
https://argoproj.github.io/argo-workflows/
Pixie is a real-time observability platform for Kubernetes that collects and visualizes telemetry data without manual instrumentation. Pixie enables developers to debug, monitor, and troubleshoot Kubernetes applications in real time by automatically capturing logs, metrics, and traces from running services.
LitmusChaos is a Kubernetes-native chaos engineering platform that enables users to perform chaos experiments to test the resilience of Kubernetes workloads. LitmusChaos injects various failures, such as pod restarts, network disruptions, and CPU stress, to help identify weaknesses in application stability and performance.
KubeVirt is a Kubernetes extension that allows users to run virtual machines (VMs) alongside containerized workloads. KubeVirt provides a unified interface for managing both VMs and containers within the same Kubernetes cluster, enabling organizations to modernize legacy applications without fully containerizing them.
Cert-Manager is a Kubernetes add-on that automates the management, issuance, and renewal of TLS certificates for Kubernetes services. Cert-Manager integrates with certificate authorities like Let's Encrypt to simplify certificate lifecycle management, ensuring secure communication for services within a Kubernetes cluster.
Cloud Run for Anthos is a Google Cloud service that allows users to run serverless containers on Kubernetes clusters managed by Anthos. Cloud Run for Anthos simplifies the deployment of stateless applications by providing a fully managed, autoscaling environment that runs containers in a Kubernetes-native way.
https://cloud.google.com/run/docs/anthos
OpenKruise is an extension of Kubernetes that enhances the management of stateful workloads and applications. It provides advanced features such as in-place updates, daemon sets, and more efficient resource allocation, making it easier to manage large-scale Kubernetes deployments.
Firecracker is a lightweight virtual machine manager designed for running microVMs in Kubernetes. Originally developed by AWS, Firecracker enables fast, secure, and resource-efficient execution of containerized workloads with enhanced isolation.
https://firecracker-microvm.github.io/
Kubermatic is a multi-cloud and multi-cluster management platform for Kubernetes. It simplifies the management of multiple Kubernetes clusters across different cloud providers and on-prem environments, offering features such as cluster provisioning, scaling, and monitoring.
Anthos Config Management (ACM) is a Google Cloud service that automates policy and security management across multiple Kubernetes clusters. ACM uses a GitOps model to manage configurations, ensuring that clusters maintain a consistent configuration based on policies defined in version control.
https://cloud.google.com/anthos/config-management
Capsule is a Kubernetes multi-tenancy operator that provides soft isolation between tenants. Capsule enables organizations to run multiple tenants on the same Kubernetes cluster while ensuring that each tenant has its own isolated set of resources, improving security and resource management.
https://github.com/clastix/capsule
K3s is a lightweight Kubernetes distribution designed for edge computing and resource-constrained environments. K3s is optimized for IoT, edge, and CI environments by minimizing the memory footprint and simplifying the deployment process while remaining fully compatible with Kubernetes.
Emissary-Ingress (formerly known as Ambassador) is an open-source API gateway and ingress controller for Kubernetes. Emissary-Ingress is designed to handle north-south traffic, providing features like traffic routing, load balancing, and security, with support for edge microservices architectures.
Tanka is a configuration management tool for Kubernetes based on the JSONNET language. Tanka allows users to create reusable and composable Kubernetes manifests, helping teams manage complex cluster configurations across multiple environments.
Gatekeeper is a Kubernetes policy controller that enforces policies defined using Open Policy Agent (OPA). Gatekeeper ensures that Kubernetes resources adhere to predefined policies, such as security, compliance, and operational best practices, before they are applied to the cluster.
https://github.com/open-policy-agent/gatekeeper
Dagger is a programmable CI/CD tool designed to automate workflows on Kubernetes. Dagger uses containerized pipelines to ensure that build, test, and deployment processes are portable, repeatable, and easily integrated into Kubernetes environments.
Kanister is an open-source framework that enables data management for stateful applications running in Kubernetes. Kanister allows users to define custom workflows for tasks like backups, restores, and migrations, simplifying data management within the cluster.
Goldilocks is a Kubernetes tool that helps optimize resource requests and limits for workloads. By analyzing historical data, Goldilocks provides recommendations for adjusting CPU and memory requests, ensuring that resources are efficiently allocated without over-provisioning.
https://github.com/FairwindsOps/goldilocks
Kured (Kubernetes Reboot Daemon) is a tool that automates the safe rebooting of Kubernetes nodes when they require a kernel update. Kured ensures that reboots occur without disrupting the availability of running applications by draining nodes before restarting them.
https://github.com/weaveworks/kured
Falco is an open-source runtime security tool that monitors system calls and other behaviors in Kubernetes to detect potential security threats. Falco alerts administrators to suspicious activity, such as privilege escalations or unauthorized access attempts, helping secure Kubernetes environments.
Skaffold is a tool that automates the development and deployment workflows for Kubernetes applications. Skaffold allows developers to easily build, push, and deploy code changes to a Kubernetes cluster, facilitating a continuous feedback loop during development.
Red Hat OpenShift Pipelines is a Kubernetes-native CI/CD platform based on Tekton that enables automated, container-based workflows. OpenShift Pipelines integrates seamlessly with the OpenShift platform, allowing users to build, test, and deploy applications using Kubernetes-native resources.
https://www.openshift.com/products/pipelines
Trivy is a comprehensive security scanner that integrates with Kubernetes to scan container images, file systems, and Git repositories for vulnerabilities. Trivy helps ensure that Kubernetes applications are free of known vulnerabilities and misconfigurations before being deployed.
https://github.com/aquasecurity/trivy
Weave Flux is a GitOps tool for automating Kubernetes application deployments. It continuously monitors a Git repository for changes and automatically applies those changes to the cluster, ensuring that the cluster’s state always matches the desired configuration defined in version control.
K8up is a Kubernetes backup operator that automates backups for Kubernetes resources and persistent volumes. K8up schedules and manages backups across multiple storage systems, simplifying the process of ensuring data integrity and availability in Kubernetes clusters.
Terragrunt is a thin wrapper for Terraform that helps manage infrastructure as code across multiple environments. Terragrunt automates the process of deploying and managing Kubernetes clusters, enabling users to define reusable configurations for infrastructure management.
https://terragrunt.gruntwork.io/
Chaos Mesh is a cloud-native chaos engineering platform that helps test the resilience of Kubernetes systems by injecting various types of failures into applications. Chaos Mesh allows teams to simulate pod failures, network partitions, and resource exhaustion to identify weaknesses in their Kubernetes clusters.
MetalLB is a load balancer implementation for bare-metal Kubernetes clusters. It assigns external IP addresses to Kubernetes services, enabling them to handle external traffic without relying on cloud-based load balancers, which are not available in bare-metal environments.
Crossplane is an open-source Kubernetes add-on that allows users to manage cloud infrastructure using Kubernetes APIs. Crossplane integrates with various cloud providers to provision and manage resources such as databases, storage, and networking through declarative configurations.
Service Mesh Interface (SMI) is a specification that defines standard APIs for managing service meshes in Kubernetes. SMI provides a common interface for traffic management, security, and observability, allowing developers to use any service mesh that supports the standard without needing to learn new APIs.
Velero is a backup and recovery tool for Kubernetes clusters. It provides features such as persistent volume snapshots, resource backups, and disaster recovery across multiple clusters, helping ensure the availability and integrity of data in Kubernetes environments.
Sidero is a bare-metal provisioning platform for Kubernetes clusters that automates the management of physical servers. Sidero simplifies the deployment of Kubernetes on bare-metal infrastructure, enabling automated provisioning, node management, and upgrades for physical nodes.
KubeVirt is a virtualization extension for Kubernetes that allows users to run virtual machines alongside containerized applications. KubeVirt provides a unified control plane for managing both virtualized and containerized workloads, offering flexibility for hybrid cloud environments.
Rook Cassandra is a component of the Rook storage orchestrator that simplifies the deployment and management of Apache Cassandra clusters on Kubernetes. Rook Cassandra automates tasks like scaling, backup, and maintenance, making it easier to manage Cassandra databases in cloud-native environments.
https://rook.io/docs/rook/v1.7/cassandra.html
Firekube is a tool that enables the rapid deployment of secure Kubernetes clusters using Firecracker microVMs. Firekube is designed for lightweight, fast-starting virtual machines, providing an efficient platform for running containerized applications with enhanced security and isolation.
https://www.weave.works/blog/firekube-lightweight-secure-kubernetes-with-firecracker-microvms
Istio is an open-source service mesh that integrates with Kubernetes to manage service-to-service communication, providing features like traffic control, security, and observability. Istio simplifies the operation of microservices by abstracting away the complexities of service networking and providing policy enforcement and telemetry.
OpenELB is an open-source load balancer for bare-metal Kubernetes clusters that provides external access to services without relying on cloud provider-specific solutions. OpenELB simplifies the management of ingress and egress traffic in bare-metal environments by dynamically assigning external IPs.
Pixie is an observability tool that collects telemetry data from Kubernetes applications without requiring manual instrumentation. Pixie automatically gathers traces, metrics, and logs, providing developers with real-time visibility into application performance and debugging information.
Contour is an ingress controller for Kubernetes that uses Envoy as its data plane. Contour enables advanced routing, SSL termination, and load balancing features, making it easier to manage external traffic to Kubernetes services in production environments.
Kiali is a management console for Istio-based service meshes that provides visibility into microservice interactions, traffic flows, and performance metrics. Kiali helps operators understand and troubleshoot service mesh architectures deployed in Kubernetes.
Kubermatic KubeOne is an open-source tool that automates the deployment and management of Kubernetes clusters across multiple cloud providers or on-prem infrastructure. KubeOne simplifies cluster lifecycle management, including provisioning, scaling, and upgrading Kubernetes clusters.
https://www.kubermatic.com/kubeone/
Red Hat Advanced Cluster Management for Kubernetes (ACM) is a tool that simplifies the management of multiple Kubernetes clusters and applications across hybrid cloud environments. ACM provides a unified Kubernetes control plane for managing Kubernetes clusters, Kubernetes policies, and Kubernetes workloads across Kubernetes on-prem and Kubernetes in the cloud infrastructures.
https://www.redhat.com/en/technologies/management/advanced-cluster-management
Octant is an open-source web-based user interface for managing Kubernetes clusters. Octant provides real-time Kubernetes visibility into Kubernetes resources, making it easier for developers to troubleshoot Kubernetes applications, Kubernetes monitor workloads, and Kubernetes manage cluster resources.
Krustlet is a Kubernetes Kubelet implementation that allows WebAssembly (Wasm) workloads to be run within Kubernetes clusters. Krustlet provides lightweight, sandboxed environments for running Wasm applications alongside containerized services, offering a new way to execute secure workloads.
Helmfile is a declarative tool for managing Helm charts and releases in Kubernetes. Helmfile simplifies the process of managing multiple Helm releases by allowing users to define chart values, environments, and dependencies in a single file, streamlining Kubernetes application deployments.
https://github.com/roboll/helmfile
Rancher Longhorn is an open-source, cloud-native distributed block storage solution for Kubernetes. Longhorn provides persistent storage for stateful applications, offering features such as volume snapshots, backups, and disaster recovery, making it easy to manage storage in Kubernetes clusters.
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