Checklist Design - The best UI and UX practices for production ready design.
UserTest.io - User testing made simple. High-quality, affordable user testing solutions from real users, here in the UK. Improve your usability!
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userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.
moyo - Make your UX qualitative testing easier with moyo
UXTesting - Discover how your mobile users feel