The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
Typomotion - Just add text and get kinetic typography video in minutes
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Glitterly - The video editor for making short video clips of your apps
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI
InVideo.io - Create thumb-stopping videos in mins for just $10/month even if you've never edited a video before!