GIT.

http://en.wikipedia.org/wiki/Git_(software)

http://git-scm.com/

http://code.google.com/p/tortoisegit/
http://nvie.com/posts/a-successful-git-branching-model/

+

http://www.youtube.com/watch?v=BtAlN4MaBr8
http://www.youtube.com/watch?v=asePnpn2RZs&feature=related
http://www.youtube.com/watch?v=lRWqJGf7OYs&feature=related
http://www.youtube.com/watch?v=dCRYcj8sdOQ&feature=related
http://www.youtube.com/watch?v=QfyPKXmBCwM&feature=related
http://www.youtube.com/watch?v=B-09gBtHA1Y&feature=related
http://www.youtube.com/watch?v=vCTvbydsrmg&feature=related
http://www.youtube.com/watch?v=8EJgT5U5lNw&feature=related

или

http://lib.custis.ru/%D0%9B%D0%B8%D0%BD%D1%83%D1%81_%D0%A2%D0%BE%D1%80%D0%B2%D0%B0%D0%BB%D1%8C%D0%B4%D1%81_%D0%BE_GIT_%D0%BD%D0%B0_Google_Talks