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