HandWiki is the world's largest wiki-style encyclopedia dedicated to science, technology and computing. It allows you to create and edit articles as long as you have external citations and login account. In addition, this is a content management environment that can be used for collaborative editing of original scholarly content, such as books, manuals, monographs and tutorials. Such documents can link thousands of existing HandWiki articles. In order to create and edit this wiki, you need to register using the top-right menu.
WikiExplorer - Download WikiExplorer for free. WikiExplorer is similar to the windowsExplorer. The filesystem is visualized within.
Fandom - The entertainment site where fans come first.
Wapedia - Education & Reference
Miraheze - Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...
Citizendium - A wiki for providing free knowledge where authors use their real, verified names.
Wikiful - Wikiful is an online platform that makes it easy to build and share a wiki.