VMF Importer
You can use Wall Worm to import a VMF into 3ds Max. This allows you to bring in your Hammer project into 3ds Max.
Sky Writer
Sky writer allows you to render your 3ds Max scene straight into the Source Game Engine as a HDR 2D sky texture (also known as a cubemap).
Normal Tools
Normal Tools are a collection of utilities and functions for quickly editing your Normals in 3ds Max.
Visgroup Manager
The Visgroup Manager in Wall Worm allows you to arbitrarily show/hide objects in your scene.
Overview Exporter
The Overview/Radar texture exporter allows you to export an overview texture straight from your Max scene.
Exporting CAT and Biped Models
Export your CAT or Biped rig from 3ds Max into the Source Game Engine with Wall Worm.
Entity Cache
Explanation on how Entities are generated and stored on your computer.
Export Multiple Texture Skins
You can give your model multiple skins (textures) so that the same mesh can look differently in different uses.
Making Facial Animations
This page explains how to export your facial animations into Source. Facial animations are done using a different procedure than most animations in Source.