AbTest.io - A free url shortener with A/B testing features
Zoho PageSense - The Complete A/B Testing and Website Optimization Software for Marketers.
GoodUI Evidence - People's A/B test results that show which UI ideas work best
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
Decidr - Make better decisions with quick A/B polls
Anboto - Anboto provides web customer service and e-Commerce technology based on semantics and natural language processing.