Kahoot! - Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
Coinbase - Bitcoin, safe and easy.
Mentimeter - a web-based polling tool for workshops, conferences & events
Coinbase Earn - Earn crypto while you learn crypto
Sli.do - Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.
Birdchain - Get paid in crypto for watching ads and reading content!