This site is home to the toolchains of choice for homebrew game development, currently available for GameBoy Advance, GP32, Playstation Portable and GameCube. More platforms will be added as time permits.
For DS, GBA and GP32 you require devkitARM. There is a mailing list for support issues and general development discussion at DevkitARM.
For Gamecube the choice is devkitPPC. The mailing list can be found at DevkitPPC.
For PSP programmers, devkitPSP is now available. The mailing list can be found at DevkitPSP.
There are popular channels for homebrew developers on irc.blitzed.org - #gbadev, #dsdev and #wiidev.
Channels for Gamepark development may be found at #gp32dev and #gp2xdev on irc.efnet.org.
PSP developers gather in #pspdev on chat.freenode.net.
