Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Miraheze - Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...
Urban Hawk - Data intelligence
Fandom - The entertainment site where fans come first.
Hotelhunt - A simple to use bot designed to track hotel room rates.