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.
AbTest.io - A free url shortener with A/B testing features
Atlassian Design - Design, develop, and deliver
Marpipe - Automate Your Ad Testing, Optimize Your Creative
The Adventures of UX Hero - The world’s first User Experience comic series