Freshmeat: Mac OS

http://osx.freshmeat.net/

Freeware and $ware

Mac OS X Downloads - UNIX & Open Source

http://www.apple.com/downloads/macosx/unix_open_source/

Freeware and $ware

MacOS X Ports - Most Recent Additions

http://macosx.forked.net/

Freeware and $ware

Links to Freeware - Freeware for Mac

http://home.hccnet.nl/hmdejong/Mac.html - GONE