Quake III Arena Updater
You can download Quake III Arena Updater 1.3 for Mac from our application library for free. The software lies within Games, more precisely Action. The actual developer of this Mac application is ID Software.
From the developer:
Quake III Arena 1.3 Updater fixes the following: Fixed sound bug (with Graeme hints) -- this crashed some mods Made sure Sys_Printf doesn't get into an endless loop if logfile is on Fixed qconsole.
You may want to check out more software for Mac, such as Mass Update Anything, Quake Live or AlphaPlugins Engraver III for Mac OSX, which might be similar to Quake III Arena Updater.