Project Gating

Keep your builds evergreen by automatically merging changes only if they pass tests.

CI/CD with Ansible

Use the same Ansible playbooks to deploy your system and run your tests.

Cross-Project Dependencies

Easily test changes to multiple systems together before landing a single patch.

Tested at scale

Zuul powers some of the largest Open Source development efforts

See how Zuul is used at scale.

See how Zuul tests cross-project changes in parallel.

Ready to take your first steps with Zuul?

Get Started

Get the Source

Zuul is Free and Open Source Software. Download the source from or install it from PyPI.

Read the Docs

Zuul has extensive documentation.

Join the Mailing List

Zuul has mailing lists for announcements and discussions.

Chat with Matrix