Best Continuous Integration Software 2026

Hydra suits Nix and NixOS package developers who need to build and test projects.

NixCI provides CI for Nix projects, including zero-configuration runs for repositories with flake.nix.

Woodpecker CI uses Docker containers for build steps and plugins to add pipeline features.

CI/CD tooling with test impact analysis, dynamic splitting and runners for major operating systems.

Concourse defines pipelines in code, linking resources and jobs, with tasks running in containers.

Buildbot coordinates workers to run queued software jobs across platforms and report results.

Forgejo Actions runs repository workflow files through separately installed Forgejo Runner software.

Zuul gates code changes across repositories and branches with Ansible-orchestrated jobs.

Prow runs Kubernetes-based jobs triggered by GitHub events, schedules, messages or retest requests.

It suits development teams that want a shared, centrally managed Jenkins environment and CI at scale.

Screwdriver is an open-source delivery platform with YAML pipelines for builds, tests and deployments.

Tekton Pipelines runs Kubernetes-native CI/CD resources composed of ordered Tasks and Steps.

PHPCI installs Composer dependencies and can set up and remove test databases for PHP projects.

GitHub Actions may suit development teams that want CI/CD workflow automation, pull request checks, and a choice of hosted or self-hosted runners.