A Sourceforge for the Mac
Want Mac apps? Go to MacForge.
You like open source, and you prefer the Mac. You're in luck! I stumbled across a great site today - MacForge - which hosts over 50,000 open-source applications written for the blessed operating system, Mac OS X.
MacForge is not nearly as feature-rich as Sourceforge is, but if you're looking for a great repository of Mac-based applications, MacForge is a useful destination.