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Concourse CIBuildbot
Free

Free and open source.

 Free

Buildbot is free and open source under the GPL-2.0 license.

Linux, Self-hosted, Command line Windows, macOS, Linux, Web, Self-hosted
  • Pipelines are fully defined in code
  • Container-based tasks for reproducible builds
  • Runs jobs across distributed workers and platforms
  • Supports parallel builds and flexible version control integration
  • Requires running your own web node, workers and PostgreSQL
  • Its resource and job model takes time to learn
  • Requires configuring and operating a master and worker machines
  • Workflows are defined through Python configuration scripts
Downloadable app, Self-hosted Downloadable app, Web application, Self-hosted
Open source Open source
License: Apache-2.0 License: GPL-2.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.