Open source. Open possibilities.

The official website for OpenFunction, built with Hugo and the Docsy documentation theme. Supports local development, contribution workflows, and Netlify deployment.

etcd is a distributed, reliable key-value store written in Go that uses the Raft consensus algorithm for highly available replicated logs. It offers a simple gRPC API, TLS security, and is widely used in production for critical distributed system data, notably with Kubernetes.

Apache APISIX is a dynamic, real-time, high-performance cloud-native API and AI gateway built on NGINX and etcd, offering dynamic routing, plugin hot-loading, multi-protocol support, and AI proxying for LLM workloads.

Skaffold is a CLI tool for continuous development of Kubernetes applications, automating the build, push, and deploy workflow with support for CI/CD pipelines and GitOps.

Helm is the package manager for Kubernetes, allowing users to find, share, and manage pre-configured Kubernetes resources called Charts.

The official RavenDB Kubernetes Operator enables fully automated, declarative deployment and management of secure RavenDB clusters on Kubernetes, handling certificates, bootstrapping, rolling upgrades, external access, storage, and health monitoring.

Sealed Secrets encrypts Kubernetes Secrets into SealedSecret resources that are safe to store in Git. Only the in-cluster controller can decrypt them, keeping secret contents hidden outside the cluster.

Krkn Operator is a Kubernetes-native platform for centralized multi-cluster chaos engineering, enabling teams to orchestrate and manage chaos experiments across Kubernetes and OpenShift clusters from a single control plane.

DevPod is a client-only, open-source tool for creating reproducible dev environments via devcontainer.json on any backend—local Docker, remote machines, Kubernetes, or cloud VMs—working with any IDE.

Checkov is an open-source static analysis tool that scans infrastructure-as-code files and container images for security misconfigurations and vulnerabilities, supporting Terraform, CloudFormation, Kubernetes, Dockerfile, and more with over 1000 built-in policies.

Sealos is an AI-native cloud operating system built on Kubernetes that unifies cloud IDE development, one-click app deployment, managed databases, and multi-tenant workspace isolation for running modern AI and SaaS workloads.

Argo Workflows is a container-native workflow engine for orchestrating parallel jobs on Kubernetes, implemented as a Custom Resource Definition (CRD).

A large open-source collection of 2624 DevOps and SRE interview questions and hands-on exercises spanning Linux, Kubernetes, Terraform, AWS, Azure, GCP, Docker, Ansible, CI/CD, networking, databases, observability, and more.

Traefik is a modern HTTP reverse proxy and load balancer designed to simplify the deployment of microservices through automatic and dynamic configuration.

Canonical's lightweight, single-package Kubernetes that installs via snap on 42 Linux flavours for workstations, IoT, edge and CI/CD, with one-command add-ons like DNS, dashboard, Istio and Prometheus.

Cilium is an eBPF-based networking, security, and observability solution for Kubernetes. It offers CNI networking, identity-based L3-L7 policies, distributed load balancing that can replace kube-proxy, multi-cluster Cluster Mesh, service mesh with mutual authentication, and Hubble observability. It is a CNCF Graduated project with Apache 2.0-licensed user space code.

Falco is a cloud‑native runtime security tool for Linux that monitors kernel events and container activity, detects anomalies, and alerts on potential threats using customizable rules. It integrates with SIEMs and Kubernetes.

Portainer is a lightweight service delivery platform providing a GUI and API to manage Docker, Swarm, Kubernetes, and ACI environments.

Prometheus Operator is a Kubernetes-native tool that automates the deployment, configuration, and management of Prometheus monitoring clusters, Alertmanager, and related components using custom resources.

A curated collection of single-file cheatsheets covering popular programming languages, backend and frontend frameworks, databases, and development tools, with a website directory and open contribution via pull requests.