1. VRML/X3D
1.1 - VRML
1.2 - X3D
2. Useful Applications
2.1 - Vivaty Studio
2.2 - B.S.Contact
2.3 - Avatar Studio
2.4 - Doga L3
2.5 - Google Sketchup
2.6 - CB Model Pro
2.7 - Meshlab
3. Hosting and publishing
3.1 - How to host your avatars
3.2 - How to host your worlds