AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.
Decidr - Make better decisions with quick A/B polls
Optimizely - A/B testing you'll actually use.
GoodUI Evidence - People's A/B test results that show which UI ideas work best
BEYABLE - Real-time personalization solutions for e-commerce & lead gen websites
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.