Decidr - Make better decisions with quick A/B polls
Go Fucking Do It - Set a deadline and a price. If you fail, you pay.
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.
WebCodeSniffer - Validate your code for consistency with a coding standard.
Lean Analytics - A/B testing React apps made easy