GoodUI Evidence - People's A/B test results that show which UI ideas work best
Pocket Biases - Every cognitive bias in your pocket.
Decidr - Make better decisions with quick A/B polls
GoodUI - Collection of clever UX patterns & ideas
PreFlight - Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
Ground News Bias Checker - Browser extension which exposes media bias as you browse.