GoodUI Evidence - People's A/B test results that show which UI ideas work best
Toole - Search for and discover online tools
Decidr - Make better decisions with quick A/B polls
Uxcel - The easiest way to learn UX/UI design
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
UXsniff - Track user behavior on your website and improve conversions with UXsniff: the user experience watchdog that looks out for you.