Open source. Open possibilities.

Harbor is an open-source, CNCF-hosted cloud-native registry used to store, sign, and scan container images and Helm charts.

A community-maintained DevOps reference guide covering Docker, Kubernetes, Prometheus, Git, Ansible, Terraform, Jenkins, GitLab CI, GitHub Actions, CircleCI, Travis CI, Puppet, Chef, Linux, and networking, with concepts, commands, tutorials, interview questions, and curated learning links.

Curated knowledge repository of SRE practices, tools, and culture from leading tech organizations including Airbnb, Netflix, Google, and many others.

Atlantis is a self-hosted Terraform pull request automation tool that enables collaborative infrastructure-as-code workflows.

fastlane is an automation tool for iOS and Android developers to streamline tedious tasks like generating screenshots, managing provisioning profiles, and releasing applications.

kustomize is a template-free customization tool for Kubernetes YAML configurations, allowing users to modify raw files without altering the original source.

WebTorrent Desktop is a cross-platform streaming torrent client for Mac, Windows, and Linux that lets users add torrents and play media while downloading.

Kubespray is an Ansible-based tool for deploying production-ready, highly available Kubernetes clusters on bare metal and major cloud providers, with a choice of network plugins and support for many Linux distributions.

Harness Open Source is an end-to-end developer platform combining source control management, CI/CD pipelines, hosted developer environments (Gitspaces) and artifact registries, runnable locally via Docker.

Tekton Pipelines provides Kubernetes-native resources for declaring CI/CD pipelines. Pipelines are cloud-native, decoupled and typed, using containers as building blocks, with Tasks runnable in isolation and swappable resources.

A comprehensive, community-curated collection of free learning resources for programming, including books, courses, and interactive tutorials in numerous languages.

Nx is a monorepo platform for TypeScript and polyglot codebases: a Rust-built, TypeScript-extensible core that caches what did not change, runs only affected tasks, and adds plugins plus an integrated, self-healing CI.

Black is an opinionated Python code formatter that reformats entire files in place with minimal configuration, producing deterministic, PEP 8 compliant style and the smallest possible diffs.

Kestra is an open-source, event-driven orchestration platform designed for data, AI, and infrastructure workflows, utilizing a declarative YAML interface.

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.

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.

Fission is an open-source, Kubernetes-native serverless framework for deploying and managing functions and applications on Kubernetes. It supports multiple languages, offers fast cold starts (~100ms), and enables automatic scaling.