Modifications and Add-Ons

Bid For Power: Ultimate Quake 3 Mod
Fan page for "Bid for Power", a DBZ mod. Message board, chat room, information, and screenshots.
http://pokenerd29.tripod.com

Defrag official website
Official website for the Quake III Defrag mod.
http://planetquake.com/defrag

kickassctf.com [a division of FSK405]
Information regarding the FSK405 Q3 Urban Terror game servers. Also includes general Q3UT information, forums and statistics.
http://www.kickassctf.com/

Mage Legend:Fortress of Darkness
A single-player total conversion for Q3A by PrSoftware. News, screenshots, downloads, forums, links.
http://www.planetquake.com/prsoftware/

Navy Seals: Quake 3
A realistic simulator for military warfare under different conditions and in different environments. News and screenshots.
http://www.ns-co.net/

NoGhost Mod
Mod supporting freezetag, lastmanstanding, and muckleball, amongst other server-sided configurable options, like turrets, decoys, and timeouts.
http://noghost.servequake.com

PainKeep Arena
Quake3Arena mod from Team Evolve.
http://teamevolve.planetquake.gamespy.com/projects/pka/

Quake 3 MultiMod
A plugin manager for Quake 3 that sits between the Q3 engine and the actual game mod to allow pseudo-mods to be dynamically loaded adding new functionality to a Quake 3 Mod. Similar to MetaMod for HalfLife.
http://sourceforge.net/projects/qmm/

Reaction Quake 3
A direct-as-possible port of Action Quake 2 (AQ2) to Q3A
http://www.rq3.com/

Requiem
Includes new weapons, runes, and armor.
http://www.reqoning.com/q3req/

SuperHeroes Arena
News, modification information, forums, and screenshots.
http://www.batmite.com/

True Combat
Real world weapons is only the beginning for this mod. News, downloads, forums, screenshots.
http://www.planetquake.com/q3t/content/index.asp

Urban Terror
Total conversion based on real world weapons and realistic settings. News, downloads and screenshots.
http://www.urbanterror.net/

Urban TerroristZ
Fan and news site with community interviews, tactical guides, game servers, and map downloads.
http://www.terroristz.net/

Western Q3
Total conversion intended to be a realistic simulation of the "Old West's" great atmosphere.
http://www.westernquake3.com/

White Tiger's
Pictures, server list, commands, tweaking, tactics and scripts.
http://white_tiger55.tripod.com