GNU Bazaar

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GNU Bazaar
Original author(s)	Martin Pool
Developer(s)	Canonical and community
Initial release	26 March 2005; 20 years ago (2005-03-26)[1]
Final release	2.7.0[2]  / 15 February 2016
Repository	code.launchpad.net/bzr
Written in	Python 2, Pyrex (optional), C
Operating system	Cross-platform
Successor	Breezy
Type	Distributed and Client–server revision control system
License	GPL-2.0-or-later[3]
Website	https://bazaar.canonical.com/

GNU Bazaar (formerly Bazaar-NG, command line tool bzr) is a distributed and client–server revision control system 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.^[4][5] 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.^[6] Breezy is a fork of Bazaar.