Steam Community :: Guide :: Tetrabor's Basic Texturing Guide (.VTFs and .VMTs)
VMT Compiler [Source Engine] [Modding Tools]
VMT Editor - fast and simple tool for creating and editing vmt files : r/csmapmakers
Trying to port over some textures for GMOD and can't find a single VMT file. Where are they? Am I going crazy? Only VTFs in GCFScape. Help appreciated! : r/SourceEngine
Creating VTF, VMT and Normals textures [Counter-Strike: Source] [Tutorials]