Descent 2

Descent 2
Includes tips, tricks and important links.
http://home.arcor.de/hbredel/Descent/Descent_2-English/descent_2-english.html

Descent Mission Builder
Mission Builder for Descent 1 and Descent 2
http://www.brainware.net

D2X Project
Port of the game for Unix, DOS, and Windows. Contains binaries and source code.
http://www.icculus.org/d2x/