vmt topic
Plumber
A Blender addon for importing Source 1 engine maps, models, materials and textures. This addon makes it possible to import full CS:GO, TF2, CS:S or other Source 1 game maps into Blender.
uSource
uSource is a plugin for importing MDL / BSP / VMT / VTF and etc... resources to Unity!
source-engine-model-loader
Three.js loader for parsing Valve's Source Engine models
DotNetVmtHook
Hook VMTs of C++ applications from .NET
plumber_core
A Rust library for converting Source Engine VMF maps into a generic 3D format.
blender-vmt
Tools for importing Source Engine material (.vmt) files into Blender
TF2Ls-for-Unity
Editor tools that streamline use of Valve assets in Unity