Wikispooks is an open licensed, open source encyclopedia of deep politics. This whole site is freely downloadable.

https://wikispooks.com/wiki/Main_Page

WikiIslam is a community edited website which focuses on the critique of Islam, whilst also allowing pro-Islamic responses in separate articles.

https://wikiislam.net/wiki/

Wikinews is an online open-content news service, that is, a voluntary association of individuals and groups who are developing a common resource of human knowledge.

https://en.wikinews.org/wiki/Main_Page

Wikidata is a free, collaborative, multilingual, secondary database, collecting structured data to provide support for Wikipedia, Wikimedia Commons, the other wikis of the Wikimedia movement, and to anyone in the world.

https://www.wikidata.org/wiki/Wikidata:Main_Page

Wikispecies is an online open-content species directory and reference, that is, a voluntary association of individuals and groups who are developing a common resource of human knowledge on biological species and supplementing information.

https://species.wikimedia.org/wiki/Main_Page

LoL

https://www.wikiarms.com/

Infogalactic: the planetary knowledge core

https://infogalactic.com/info/Main_Page