AbTest.io - A free url shortener with A/B testing features
Kahoot! - Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
Zarget - Zarget is new age AB testing and Heatmap software that lets you optimize your website with just a few clicks thereby increasing sales.
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.
A/B Rankings - 🚀 Split testing for your SEO traffic
Mentimeter - a web-based polling tool for workshops, conferences & events