- act by nektos, 73k stars. Runs GitHub Actions workflows on your local machine using Docker
- argo-cd by argoproj, 25k stars. Declarative GitOps continuous deployment for Kubernetes
- unleash by Unleash, 14k stars. Feature flag and feature management platform
- claude-code-action by anthropics, 10.0k stars. GitHub Action that runs Claude Code in CI workflows
- checkov by bridgecrewio, 9.2k stars. Static analysis scanner for Terraform and other infrastructure as code
- flux2 by fluxcd, 8.5k stars. GitOps continuous delivery controller for Kubernetes clusters
- release-please by googleapis, 7.8k stars. Generates release pull requests and changelogs from conventional commits
- DevSecOps by sottlmarek, 7.0k stars. Collection of DevSecOps tools and references covering security and AWS
- wrkflw by bahdotsh, 3.3k stars. Run GitHub Actions workflows locally to check them before pushing
- zadig by koderover, 3.3k stars. Cloud-native DevOps platform for CI/CD and continuous delivery
- openchoreo by openchoreo, 1.9k stars. Internal developer platform for Kubernetes
- aidevops by marcusquinn, 455 stars. Shell toolkit for automating dev, ops and AI agent workflows with OpenCode and Git
- submitqueue by uber, 253 stars. Speculative merge queue that keeps the main branch green at scale
- cryload by sdogruyol, 217 stars. HTTP load tester for CI pipelines with latency thresholds and JSON output
- farol by winnin, 187 stars. CLI and GitHub Action showing merge risk and diff coverage for pull requests
- self-hosted-ci-runner by senoff, 24 stars. Scripts to set up self-hosted GitHub Actions runners with swap and disk limits
- gatemole by duriantaco, 18 stars. Checks agent-written code against human-owned intent before release
- green by getcolors, 18 stars. Babashka workflow engine for idempotent DevOps command line tools
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