Modifications and Add-Ons

Andi's OPT Download
Downloads of OPT files for X-Wing Alliance and X-Wing vs TIE Fighter, Galactica editing tutorial, installation notes, and utilities.
http://www.kroell-net.de/opt/

Atmospheric Shipset
Shipset for X-Wing Alliance and X-Wing vs TIE Fighter. Includes features, authors, forum, and downloads.
http://victorian.fortunecity.com/museum/52/xvt.htm

OPT Review
Features reviews of OPT files for X-Wing Alliance and X-Wing vs TIE Fighter.
http://optreview.iwarp.com/

Phelan Shipyards
Downloads of MIDI and OPT files for X-Wing Alliance and X-Wing vs TIE Fighter.
http://www.geocities.com/TimesSquare/Ring/1957/default.html

Troy Dangerfield's Editor Page
Includes downloads of mission editors for X-Wing vs TIE Fighter, X-Wing, and X-Wing Alliance.
http://www.troyed.com/x-wing/

XvT Technologies
Includes downloads of custom fighters, utilities, and patches for X-Wing Alliance and X-Wing vs TIE Fighter.
http://www.abstraction.com/derek2/