Exits are located, here, here and here
The following is a collection of links to various sites I find useful and maybe you will too. If you know of a site that might be worth adding, let me know.
3D Software
- Alias - Makers of Maya (commercial)
- Blender3D - Open-Source 3D modelling application (free)
- Discreet Software - Makers of 3D Studio Max and GMax (commercial)
- Fragmosoft - Makers of Fragmotion modeller and animation tool (low-cost)
- Milkshape3D - Low-cost, easy to use 3D editing tool (low-cost)
- NewTek - Makers of Lightwave (commercial)
- Softimage - Home of the Softimage|XSI mod tool (free)
- UnWrap3D - UVW Texture mapping tool
- Splutterfish LLC - Makers of the Brazil rendering system
- POV-Ray - Free, Open-Source ray tracing software
- Canonfodder - HL2 SMD and VTA importers/exporters for 3DS Max 5/6/7
- Wavelength - HL1 SMD exporter for 3DS Max 6/7
- Max Plugins - HL1 SMD exporter for 3DS Max 4.2/5
- Browser [ICE] - HL1 SMD import/export Maxscripts for 3DS Max/GMax
- Polycount - HL1 SMD exporter for Maya 4.0
- Prall - HL2 SMD exporter for Maya 4/6
- Tunah - HL2 SMD exporter for Lightwave
- 3d2toy - HL2 SMD importer for Blender3D
- Angora:Source - HL2 SMD exporter for Blender3D
- Cannonfodder - MDL decompiler, exporters, compiler tools, etc.
- Nem's Tools - GCFScape, VTFEdit, VTFLib, HLLib, etc.
- The Valve Developer Community - Official Valve SDK developer Wiki
- VERC - VERC Network Forums
- sourceWiki - Source SDK Wiki with lots of examples
- HL2World Knowledge Base - Another Source SDK Wiki