GitHub

http://www.lockergnome.com/web/2011/12/13/how-to-use-github-to-contribute-to-open-source-projects/

If you have ever wanted to get involved with open source software, but were not quite sure on how to get started, GitHub is a great place to start. What's it do? How does it work? It's all explained here.

You can watch the entire live TLDR episode here:
http://www.youtube.com/watch?v=HpiQW4wF_3Q

http://www.lockergnome.com/subscribe/
https://profiles.google.com/chris.pirillo
http://twitter.com/ChrisPirillo
http://www.facebook.com/chrispirillo