This is a really amazing site. They have OSS Projects which are just iching for new developers to offer their assistance including many finished / progressing projects which are just utterly amazing. Such projects include my fav for linux GAIM.
This is a great site for finding out about new and upcomming trials on new applications.
This is a really good site for finding opensource based projects for simple scripting langauge libraries binary utilities for *nix based operating systems and all kinds of misc. type projects which one might find interesting.
This is a really kewl place to find all kinds of applications video files and things of that nature