UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
UserZoom - Test, measure, and monitor UX with our cost-effective all-in-one platform. UserZoom is a cloud-based solution for online usability testing.
Mediamodifier - Create beautiful designs and product mockups in seconds.
Hotjar - The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
mockDrop - Is a webapp for creating free device mockups including your screenshots.