Larry Sanger

Wikipedia is a free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki. Founded by Jimmy Wales and Larry Sanger in 2001, Wikipedia has been hosted since 2003 by the Wikimedia Foundation, an American nonprofit organization funded mainly by donations from readers. Wikipedia is the largest and most-read reference work in history. According to Jimmy Wales, its mission is to make the sum of all human knowledge available to every person in the world.

Wiktionary ( , ; rhyming with "dictionary") is a multilingual, web-based project to create a free content dictionary of terms (including words, phrases, proverbs, linguistic reconstructions, etc.) in a large number of natural languages and a number of artificial languages. These entries may contain definitions, images for illustration, pronunciations, etymologies, inflections, usage examples, quotations, related terms, and translations of terms into other languages, among other features. It is collaboratively edited by volunteers via a wiki. Its name is a portmanteau of the words wiki and dict

American former professor, co-founder of Wikipedia, founder of Citizendium and other projects (born 1968)

thumb|All three logos used by Nupedia. The first logo was used from March to August 2000, the second from August 2000 to February 2001, and the third from February 2001 to its closing in September 2003.|alt=Top: The first Nupedia logo, consisting of "Nupedia / The open content encyclopedia." on a plain navy blue background. Middle: The second Nupedia logo; it reads "NUPEDIA.COM / THE OPEN CONTENT ENCYCLOPEDIA", and is significantly more stylized than the first logo. Bottom: The third Nupedia logo; it now reads "NUPEDIA.COM / THE FREE ENCYCLOPEDIA", differs slightly in typography and layout fro

overview about the historical development of Wikipedia

Citizendium ( ; "the citizens' compendium of everything") is an English-language wiki-based free online encyclopedia launched by Larry Sanger, co-founder of Nupedia and Wikipedia.

Wikipedia rule to set aside other rules