Better Notes - Simple notes app that ties notes together with #hashtags
Kahoot! - Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
Whimsical - The visual workspace for teams.
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.
Great F*cking Startup Advice - Strongly worded suggestions for startup founders
Mentimeter - a web-based polling tool for workshops, conferences & events