1. TL;DR Wikipedia – Wikipedia articles summarized in a funny way.
2. Wikunia.de – Make research easier by reading multiple Wikipedia articles in the same window.
3. WikiGifs.com – View random gifs found on Wikipedia.
4. TheWikiGame.com – Explore and race through Wikipedia with as few clicks as possible.
5. DegreesOfWikipedia.com – Find out how many degrees two Wikipedia articles are removed from each other.
6. Wikipedia.Moesalih.com – A stripped down and clean version of Wikipedia.