World Builder Projects  
   Starting place for information on how to build an imaginary setting.
   http://hiddenway.tripod.com/world/

Patricia C. Wrede's Worldbuilder Questions  
   Advice on creating a believable fantasy world, with a particular eye toward crucial yet easily overlooked details.
   http://www.io.com/~eighner/world_builder/world_builder_index.html

World Builders  
   A website supporting a world building distance education course. Reference material, lessons, downloads, and sample worlds.
   http://curriculum.calstatela.edu/courses/builders/

World Building  
   An example of designing a planet, from basic physical assumptions to geography to weather systems and archeological remains.
   http://www.suite101.com/welcome.cfm/world_building

Guidelines For Creating Magic Systems  
   Compiled suggestions and discussions about the design of magic systems for roleplaying games and literature. Applicable to all genres.
   http://www.hut.fi/~vesanto/link.useful/MagicHtmls/magic.html

Rich Staats' RPG / World Building Articles  
   Many interesting original and adapted articles of all aspects of gaming worlds, with much of interest to world builders.
   http://www.geocities.com/dr_games/staats2.htm

Criar Mundos - Building Worlds  
   A step-by-step guide for creating original settings and incorporating realistic details. Various resources and references. In English and Portugese.
   http://criarmundos.do.sapo.pt/

Fantasy World Building  
   Step-by-step tutorial for setting design, based on establishing a "world vision" for its cultural/geographic regions.
   http://www.astrofantasy.com/fantasy_world/fantasy_world.htm

Magical World Builder's Guide  
   Suggestions for creating consistent magic themes for fantasy settings, as well as general world building advice and resources.
   http://www.web-writer.net/fantasy/

Timeline Generator  
   A web-based application that creates generic random events for a nation or region. The user can specify the starting year, number of years, and events per year.
   http://www.fantasist.net/timeline.shtml