GNU Bazaar alternatives and similar tools

Based on the "Version control" category.

Git

9.9 10.0 L2 GNU Bazaar VS Git

Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.
Subversion

4.1 9.0 L2 GNU Bazaar VS Subversion

Mirror of Apache Subversion

Less time debugging, more time building

Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

Promo scoutapm.com

Fossil

- GNU Bazaar VS Fossil

Distributed version control with built-in wiki and bug tracking.
Mercurial

- GNU Bazaar VS Mercurial

Another distributed revision control.
Darcs

- GNU Bazaar VS Darcs

Patch-based distributed version control (more info: wiki)