Apps

Apps
genre-editor
modify iTunes genre artMAC
lwwcd
randomize login screen background and textMAC
Games
elarel
logic puzzle game based on Blobbo and similar puzzlersMAC / WIN
cookie
cookie clicker-like game - team projectWEB
adventure
text-based role-playing gameMAC / WIN
Misc
sys6
macintosh system 6 simulator! (incomplete!)WEB
pax resources
resources for that great space strategy game, pax galaxiaMAC / WIN
old mac games
resources/links for old mac gamesMAC

I also maintain a list of cool Mac icon sets here.

"And what the ruddy hell are dementors?"
"They guard the wizard prison, Azkaban," said Aunt Petunia.
Two seconds' ringing silence followed these words and then Aunt Petunia clapped her hand over her mouth as though she had let slip a disgusting swear word. Uncle Vernon was goggling at her. Harry’s brain reeled. Mrs. Figg was one thing — but Aunt Petunia?
"How d'you know that?" he asked her, astonished.

Harry Potter and the Order of the Phoenix