Autodesk Softimage Mod Tool 7.5 file - Source Developers
(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.
Autodesk Softimage Unreal Engine Mod Tool Non Commercial Game Creation Softimage Mod Tool Noesis Interactive
Source: indiedb.com