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Fandom is a community-based service that allows anyone to create a wiki on virtually any subject. Discover, share and add your knowledge! Wikia is financed by advertisment!

Infogalactic is an Internet-based, free-content encyclopedia project that is a dynamic fork of Wikipedia and improves upon the online encyclopedia's model of openly editable content. Infogalactic's pages are interlinked in order to connect the user to related pages with additional information, and are categorized in a variety of ways, including Relativity, Notability, and Reliability to allow the user to prioritize his personalized perspective

Miraheze is a free wiki farm, you can request your wiki which is 100% free and has no ads. The code of Miraheze is opensource (Github.com/Miraheze). You can change your logo, request extensions you need, and many other features. Help is provided via email, IRC, Phabricator.

Wikispaces is a hosting service (sometimes called a wiki farm) launched in March 2005. The wikis are only 1 Wiki for free if you are a educational institute. You must pay 1-5 USD for the account validation with Google Wallet per Credit Card if you want a wikispace. It offers 2GB space usage, wikimark editing and protection option for pro users. Further viewing and editing options can be purchased for $5/month.

Alchetron.com is a free social encyclopedia for world where you can create, organize and learn easily using topics.

Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious minds learn and teach.

PCGamingWiki aims to list fixes and workarounds for every single PC game

LibreGameWiki the free gaming encyclopedia for games developed as open source and using open media.

We offer low-cost, top-quality customized premium wiki hosting with no ads. The alternative to Wikia. Your own Wikipedia.