Git is a a distributed version control system (DVCS) written in C with a functional Java port, jgit that is extremely quick at what it does.

child pages:

• Example of using Git to branch the OTrunk Java codebase
• Installing git using git-osx-installer
• Installing Git with macports
• Replicating CC subversion repositories to Git
• Storing Java jars and classes in git
• Using Git with Eclipse

links:

• Forking otrunk-examples with git and using the fork for testing
• GitX is a Native MacOS Git repository visualization application.
• Python is evaluating moving to git, hg (mercurial), and bazaar. The the googledoc linked from the page below:
  Python PEP 374 – Migrating from svn to a distributed VCS
• A Google developers describes using git with the googlecode svn repositories:
  Develop with Git on a Google Code Project
• Why Git is Better than X