Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
Kahoot! - Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
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.
Tracxn - data on companies
Mentimeter - a web-based polling tool for workshops, conferences & events