browserling - Live interactive cross-browser testing from your browser.
GoodUI Evidence - People's A/B test results that show which UI ideas work best
Ghost Inspector - Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!
Decidr - Make better decisions with quick A/B polls
Max Inspect - Inspect Mac apps
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.