Hotjar - The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
AbTest.io - A free url shortener with A/B testing features
Crazy Egg - Through Crazy Egg's heat map and scroll map reports you can get an understanding of how your visitors engage with your website so you can boost your conversion rates.
GoodUI Evidence - People's A/B test results that show which UI ideas work best
Lucky Orange - Get into the minds of your customers by watching them navigate your site and chatting with them as they do so.
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.