MetaMythos - The home of the Keshyran Campaign, includes a timeline, geography, and racial notes. Also hosts resources dedicated to the art of world building. - http://www.metamythos.net/
Praedia Teneris - Content includes a world map, political and cultural accounts of several regions, and notes about daily life. - http://www.lyonet.net/rpgs/praedia/
Seteria - Information about geography, various cultures, characters, pantheons and heraldry. - http://www.goodworld.ca/
Gwelith - Details include a geographical and political atlas, histories, deity and priesthood descriptions, cultural notes, and campaign chronicles. - http://www.gwelith.co.uk/
Llanowar - Includes geography, religions, new monsters, d20 system classes, and a modified magic system. - http://www.legolas.org/llanowar/
Thyrenacia, The Accounts of - The Alliance of Thyrenacia has enjoyed a thousand seasons of peace under the Ascendants, but now that dynasty is failing and dark forces stir at the edges of the world. Maps, geography, kingdoms, factions, faiths, and more. - http://www.thyrenacia.com/thyrenacia
Terra Viejo - A representation of our middle ages earth with the traditional fantasy elements added in. Geography and history, to a point, are much like our own, but unlike Earth, Terra Viejo feels the influences of more than just humans. - http://www.terra-viejo.net/
Siritean Empire - Atlas entries, history, legends, religion, and daily life. - http://employees.csbsju.edu/rsorensen/siritea/default.htm
Manxx, The County of - The fantasy setting of Manxx lies in one of the outermost southwestern valleys of the Blue Sun Mountains in the Empire of Catalania in Three Suns. A great starting point for fantasy role-playing and more detail to anyone interested in the Three Suns Set - http://www.bartel.org/manxx/
Three Suns - Both humans and sentient felines predominate. Features an interactive map, and encyclopedia entries include a timeline, religious and cultural entries, political notes, and an unusually detailed treatment of health conditions. - http://cholly.com/3suns/
DwarvenWorld - A complete, detailed, low-magic fantasy setting for mature players, DwarvenWorld is free of Tolkien-like and commercial stereotypes. Please note this site's contents must be downloaded as a .zip file - http://digilander.libero.it/dwarvenworld/
Jhendor - Humans vie with various exotic races for control of this harsh continent. Content consists of topographical and flavor maps and notes for the kingdom of Gwynneth, species, gods, myths, and magic. - http://www.jhendor.de/
Highland - An alternate version of Earth, divergent since the Second Cataclysm in AD 1,000. Notable are descriptions of Karian culture and language on the eastern continent. - http://www.hoboes.com/html/RPG/Highland/
Zam! - Home of the Encyclopedia Zammica. Included are a timeline, a map, and alphabetical entries about various world and campaign elements. - http://just-john.com/zam/ezframe.HTML
Breminor - Stories, maps, and RPG gaming materials. Extensive descriptions cover economy, politics, history, mythology, religion, and the role of magic. - http://www.breminor.com
Goertha - Highlights of this celtic-inspired setting include brief descriptions of society, geography, customs and dress, religion, and food collection. Currently the home of a PBEM game, with campaign logs. - http://www.cs.pdx.edu/~kenstcyr/Goertha/index.html
Yalarad - The ongoing AD&D adventures of a band of characters in Yalarad. This site has world descriptions, scanned maps, religion notes, and character journals. - http://yalarad.com
Carnelian Coast, Tales of the - A gritty swords-and-sorcery world. Site details include the histories and politics of five major regions, religions and religious orders, languages of the setting, and a free RPG. - http://www.cs.pdx.edu/~kenstcyr/coast.html
Carador - Unique creatures and magics, maps, tales, and histories make up a comprehensive world. Updated weekly with new treatises. Includes an original RPG. - http://www.caradorian.com
Astlan - An introduction to lands, culture, professions and history. Content includes original artwork, fiction, maps, and discussion of a unique magic system. - http://www.astlan.com
Audean: The Dark - A dark world of conflict, cults, disease and wars. A map and several brief notes describe geography, history, and races. - http://www.euronet.nl/users/kbest/audean/audean.htm
Agyris - World of the Bell - A decaying world torn asunder by now-dead gods. Numerous original illustrations, gods and legends, character archetypes, maps, creatures, and newspapers. - http://www.agyris.net
Arwann - Unique races, as well as D&D 3e classes and house rules, complement nation descriptions and historical notes. - http://arwann.www8.50megs.com/
Alina: The Ship Amongst the Stars - The atlas includes historical, political, and cultural notes for one human and one elven kingdom. D&D 2e class descriptions detail several priestly orders. - http://nyjm.users2.50megs.com/
Aleder - This fantasy world is in an early stage of development. A regional map, an atlas with adventure hooks, and an overview of two countries constitute its only details. - http://home.swipnet.se/~w-96979/aleder/