The download includes the following tools:

Text Tool - Allows the user to change the text in the game. This includes objectives and any other text that displays in game.
Object Editor - Allows the user to take 3DMax files and convert them into assets that can be used by the Black Hawk engine.
Terrain Generator - Allows the user to make new terrains for the Black Hawk engine.
.def files - Allows the user to place their own objects in the game and set their properties.
Pack.exe - Allows users to pack their assets into a mod .pff. This will allow them to run a map featuring their own assets.
Sample files and Tutorials are also included in the download to help the user.