GNU Bazaar (formerly Bazaar-NG, command line tool bzr) is a distributed and client–server revision control system formerly sponsored by Canonical.
Bazaar can be used by a single developer working on multiple branches of local content, or by teams collaborating across a network.
Bazaar is written in the Python programming language, with packages for major Linux distributions, Mac OS X and Microsoft Windows. Bazaar is free software and in 2008 became part of the GNU Project. It was used by Canonical for their Launchpad code hosting website. The last release was in 2016. In 2025, Canonical announced the retirement of Bazaar. Breezy is a fork of Bazaar.
