YAM - Video Q&A platform where you can get paid to ask or answer questions.
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android
Whale - Video Q&A with influencers and experts 🐳
Forumotion.com - Create a free forum : free forum hosting, free forum skins, templates editing, chatbox, RPG mod... Choose PhpBB 2 - 3, Invision or PunBB. Create forums now!
Fishoal - Fishoal is the next-generation Q&A platform that helps anyone who needs help to find validated answers by connecting people to certified experts that can help.
Proboards - ProBoards is a host of free forums with customer service.