Camquake
Quake client for making movies
besides a quite usefull camerapath system
(clips)
it also has a python interpreter to use for scripting during cams, and for scripting particles
(clips)
and a hud editor
(clips)
and a little menu api
(clips)
release
source
and the only movie ever made with camquake \o/ by a friend of mine , nylon, for whom i originaly wrote camquake :D kyu.one