From Valve Developer Community
3D-Coat is the one application that has all the tools you need to take your 3D idea from a block of digital clay all the way to a production ready, fully textured organic or hard surface model.
- -Steam store page description
- Live Clay "dynamic tessellation" sculpting tools. With Live Clay you won't bother anymore about resolution of your entire object, as now you'll have desired level of details only where you need it!
- Painting emissive and colored specular introduced
- Painting over voxels/vertex painting introduced
- Possibility to retopo big meshes 10-50M and more
- Spline drawing mode
- Texture baking functions
- High-speed boolean operations in surface mode, hardsurface modeling with sharp edges
- Special tools for Product/Prototype modeling
- Scripting via "C++ like" – Angelscript
- Export directly to the Team Fortress 2 and DOTA2 workshop