http://git-scm.com/

https://git.wiki.kernel.org/index.php/Main_Page

Git Reference

Linus Torvalds on git

Git - SVN Crash Course: http://git-scm.com/course/svn.html

Why Git is Better than X: http://zh-tw.whygitisbetterthanx.com/

http://www.qweruiop.org/nchcrails/posts/49

FreeBSD: http://blog.wu-boy.com/2009/10/05/1701/

http://plog.longwin.com.tw/my_note-unix/2009/05/19/git-learn-initial-command-2009

http://plog.longwin.com.tw/my_note-unix/2009/05/20/git-learn-test-command-2009

http://www.qweruiop.org/nchcrails/posts/49

http://www.codebasehq.com/

http://mercurial.selenic.com/

Mercurial is a free, distributed source control management tool. It efficiently handles projects of any size and offers an easy and intuitive interface.

Git User's Survey 2010 summary: https://git.wiki.kernel.org/index.php/GitSurvey2010