Quake

Active Quake Servers
List of currently active game servers.
http://www.gameaholic.com/servers/quake/

Besmella-Quake
Australian based site and Quake news community
http://www.besmella-quake.com

Func_Msgboard
Map making messageboard and forum
http://www.celephais.net/board/

GameSpot
Offers review and screen shots.
http://www.gamespot.com/pc/action/qzone/

GameStatus.Net
Live player rankings and statistics for Quake servers.
http://www.gamestatus.net

Inside3D
Focusing on developer discussion for 3D rendering engines for games with a strong emphasis on Quake.
http://www.inside3d.com/

Quaddicted.com
Single player news, features an enormous archive of single player and deathmatch maps.
http://www.quaddicted.com

Quake Standards Group
Site focusing on development of Quake with a messageboard and development tutorials.
http://www.quakesrc.org

QuakeDev.com
Site dedicated to assisting developers of Quake projects
http://www.quakedev.com

QuakeWorld Wiki
The open QuakeWorld encyclopedia.
http://wiki.qwdrama.com/

QW Schedule
Schedule for upcoming games and QuakeWorld events.
http://schedule.qwdrama.com/

qwdrama
Delivering the latest QuakeWorld news, tutorials, interviews, and drama.
http://qwdrama.com/

Speed Demos Archive
The source of over 6000 speed runs for Quake on over a hundred different original and user-made maps.
http://speeddemosarchive.com/quake/