The Unreal Tournament 3 Developers Group is for teams that have chosen Epic's new Unreal game to base their mod on.
(Formerly the XSI Mod Tool) A completely free version of the Autodesk Softimage modelling package. Plugins for Source, CryEngine 2, Unreal Engine 3, XNA, Unity, and more are available.
Softimage Mod Tool 7.5 exports to the Microsoft XNA development platform and add-ons are available that enable export to CryENGINE 2, the Source engine and Unreal Engine 3. Softimage Mod Tool 7.5 also exports Autodesk FBX software and COLLADA files for engines that support it.