Demozoo - all demos, all the time.

#Pixel Scene Homepage of the IRC Channel (not updated since 2006)

www.chiptune.com bags and bags of sid, ym and it tunes, the best.

Atari.org General news updated often*
(*not so much anymore.)

Dead Hackers Society Atari Scene News - still active in 2016!

Pouet.net - demoscene mumblings and drama.