The Darwin project is an open-source development effort that underpins OS X.
Applewizards...yet another Mac-centered web mag.
About This Particular Mac is a Mac-centered web mag.
Macinsearch is a priceless source for all sorts of Mac information
ChezMark Mac Picks is a great source for Mac demos, shareware and freeware.
Mac Trading Post is an online flea market for Mac computers, software, and peripherals.
Visit Bungie on the Web. Bungie is, hands down, the number one game maker for the Mac OS.