Egosoft: X  
   Official site. Contains development news, X-Tensions tour, covering quests, ships, combat, and strategy, screen shots, forum, chat room, and downloads of patches and demonstration versions.
   http://www.egosoft.com/X/

THQ Entertainment  
   Publisher's forum, with general and technical discussion.
   http://forum.thq.de/viewforumThreaded.php?std_theme=5&forum=6&73963

The Commander's Space Station  
   Contains screen shots, tips on planetary landing and ship command, maps, X-Tension database including ranks, equipment, ships, and factories, and SAS guild information.
   http://www.the-commander.com/

X-Universe Community Webring  
   Lists fan sites.
   http://j.webring.com/hub?ring=xuniversecommuni

X-Con 2001  
   Describes fan convention held in Cheshire, United Kingdom, with photographs.
   http://www.the-commander.com/xconuk/xconuk.html

X Story Archive  
   Offers fan fiction, including Traders Tale and Rogue Series.
   http://x-universe.kiwi.nu/