The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
Fandom - The entertainment site where fans come first.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
Miraheze - Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Wikiful - Wikiful is an online platform that makes it easy to build and share a wiki.