Alternity and Beyond
   Ships, planets, and essays.
   http://homepage.tinet.ie/~ournexus/compsec.htm

Big Ideas, Grand Vision
   Rules and background for a hard-science campaign set in A.D. 2350.
   http://www.nada.kth.se/~asa/Game/BigIdeas/

Li Po's Alternity Page
   MS-DOS character and spaceship generation software.
   http://www.pathguy.com/alter.htm

Uncle Jimbo's Bug Huntin' Range
   Settings and concepts, including the Orthopteroid species, Nemesis Gate and Crucible campaign settings.
   http://homepages.ihug.com.au/~jclunie/index.htm

WebRing: alternity
   Group of interlinked sites also known as "Alternity Web Ring".
   http://www.webring.com/hub?ring=alternity