Network:
Descent2.com
Descent-3.com
Descent- FreeSpace.com
FreeSpace-2.com
Red-Faction.com
RedFaction.net
Summoner.org
Download DNet #1
Download DNet #2

Some quick links:
Descent3D
Descent Chronicles
Warpcore
ZappaFan's Hangout
Descent4.Net
PyroPort
PlanetDescent
Descent3.Net
DescentBB
DescentWorld
DescentForum (German)

The Descent Network Team provides you the following Descent 1/2-related content:

• News
  Happenings in the Descent Network world.

• Playable Demos & Trailers
  Try before you buy! Download the Playable Demos here.

• Patches
  Current Descent 2 3Dfx Version: V1.06b
  Current Descent 2 Full Version: V1.2
  Current Descent 2 Interactive Demo Version: V1.0
  Current Descent 1 Full Version: V1.5
  Current Descent 1 Shareware Version: V1.4
  

• Cheat codes
  All known single-player cheat codes

• Tools
  All important Descent 2 Tools for level builders and players. Also includes our famous Descent Manager series.

• Goodies
  Background pictures, WinAMP skins, Music, Descent fonts, 3D models...

• Developer
  The Descent Developer Network brings you all available file specs, source codes and more. Perfect for tool developers.

• Other...
  About Descent Network Team and their sites
  Missions Database
  Links to other sites

DNet members also provide you with the following extra content:

• Ellusion Design
  The professional level builder team Ellusion Design, an affiliation of us, provides you with quality add-on missions.

• Emus Graficia
  His art is something really special. Check it out!

• DNet Friends Content
  Dorsola's Homepage incl. D2_3Dfx FAQ
  Mystina Pages
  SickOne's Asylum
  Descent Dogfight Tactics by Lueder Hoppe
  

• DNet Friends Content - German language
  Descent Society
  Boss Homepage (inkl. Deutscher Descent Ladder)
  Descent Dogfight Connection
  German Descent Challenge (GDC) - LAN sessions in Germany