"A collection of Git extensions to provide high-level repository operations for [a feature-oriented] branching model."

"Git hosting, Mercurial hosting & Subversion hosting with complete project management - tickets, milestones."

a web based code review system, facilitating online code reviews for projects using the Git version control system

"a wiki backed by a git or darcs filestore"

"Scripts to gather information for including in version history comments and to make using source control a bit simpler for non-technical projects."

Various development scenarios and how to apply Git to them.

"a wiki compiler. It converts wiki pages into HTML pages suitable for publishing on a website. Ikiwiki stores pages and history in a revision control system such as Subversion or Git. There are many other features, including support for blogging, as well as a large array of plugins."

A great way to both offend and educate.

Many bits of Git knowledge.

Oh so much Git knowledge.

ALL REPOSITORIES WILL BE CONVERTED TO GIT. SUBMIT TO GIT.

"[R]ough instructions for particular effects. After repeated use, gradually you will understand how each trick works, and how to tailor the recipes for your needs."

Super handy.

How to use Git submodules, a rough equivalent to svn:externals in the Git world.

"a simple tool to help track git and svn vendor branches in a git repository"

If GitHub went away, I might need this.

"Make your edits, then run git add -i. You will be prompted interactively to edit and change the index. When you are done, run git commit and be done! You have just prepared, and commited a tree object manually."

This is generally a thorough tutorial in using Git with git-svn, applicable to more than just Subversion projects on Google Code. Be wary that git-svn can mess stuff up, albeit never in an irrecoverable way in my experience.

"a tool to track the history and make backups of your home directory". If I didn't have Time Machine.

"aims to provide a great way of doing distributed opensource code collaboration"

Like Piston, but for Git. If I can get over my fear of Git freaking out on me for a third time, maybe I'll use it.

Linus in defense of git.