Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
MyWikis - A premium wiki host with top-class quality, excellent support, and VisualEditor (a WYSIWYG...
Encyclopædia Britannica - Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Wikidot - Online collaborative wiki hosting for organizations,etc.
Kiwix - Kiwix enables you to have the whole Wikipedia at hand wherever you go!
Fandom - The entertainment site where fans come first.