Defunct online encyclopedias

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

Deletionpedia was an online archive wiki containing articles deleted from the English Wikipedia. Its version of each article included a header with more information about the deletion such as whether a speedy deletion occurred, where the deletion discussion about the article could be found and which editor deleted the article. The original Deletionpedia operated from February to September 2008. The site was restarted under new management in December 2013.

former free content encyclopedia

Polish Internet encyclopedia

right|150px|thumbnail|The site's homepage while it was still operational. Fotopedia was a photo encyclopedia that, as of August 2011, had generated more than 51,000 pages and linked to over 755,000 photos.