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!

TestRail - TestRail provides comprehensive test case management for software testing. Organize your testing, boost productivity, get real-time insights, and track progress toward milestones. Integrates with leading issue tracking and test automation tools.

Userbrain - Easy, fast, and affordable user testing for websites and prototypes.

LambdaTest - Perform Web Testing on 2000+ Browsers & OS

userinput.io - Get on-demand feedback for your app, website or idea. Learn how to improve by hearing real opinions.

PractiTest - PractiTest is a cloud based Innovative test management tool.