3Ds Max 8
http://files.h2vista.net/software/3dsmax/
Gmax
http://www.turbosquid.com/gmax
(HEK) Halo Editing Kit for Halo CE
http://hce.halomaps.org/index.cfm?fid=411
Halo Custom Edition Game [English]
http://hce.halomaps.org/index.cfm?fid=410
GBXModel Importer v2
http://ghost.halomaps.org/bluestreak/gbxmodel/
Blitzkreig
http://hce.halomaps.org/index.cfm?fid=1639
Chimp V1.6