Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
Diaspora - The online social world where you are in control.
wikiHow - wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI