Kahoot! - Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
Twine - Twine is an open-source tool for telling interactive, nonlinear stories.
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.
RenPy - Ren'Py is a free and cross-platform visual novel engine that helps you use words, pictures, and...
Mentimeter - a web-based polling tool for workshops, conferences & events
Quest - Quest lets you create sophisticated text-based games, without having to program.