This site is maintained by Temple of Mathematics
, but the various chat rooms and forums aren't unless specified.
MainPage - EFnetMath
. EFnet IRC math chat room (oldest on Internet).
Freenode Math Wiki
. Freenode IRC math chat room (largest on Internet).
IRCnet broke off from EFnet and has a math chat room (link to the left) but no homepage.
Undernetmath's Weblog | The friendly math chat on IRC
. Undernet IRC math chat room.
Forums | planetmath.org
The Math Forum @ Drexel University
Math Help Forum
Usenet sci.logic newsgroup
. Has discussions of mathematical logic.
Usenet sci.math newsgroup
Usenet sci.math.research newsgroup