Game Engines

• Torque Game Engine
• Irrlicht
• Genesis3D
• GameMaker
• Java Monkey Engine

Level Editors

• Valve Hammer (World Craft)
• Quark

3D Modelers

• MilkShape3D
• Blender

CVS Gui

• WinCVS or MacCVS
• CVS

3D Modeling Tutorials

• Tutorial A - good introduction to creating a person, for person with no experience
• Tutorial B - overall the best out there.

Texturing Tools

• LithUnwrap

Level Design Papers

• Architecture View on Level Design

Game Dev Sites

• Gamasutra.com
• FlipCode
• GameDev.net

AI Development Sites

• AI Depot
• Generation 5