Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
Usetrace - Web app testing system that doesnât require coding or constant updating
TestingWhiz - TestingWhiz is a codeless test automation tool for software, mobile and web.
UBot Studio - Ubot Studio allows you to make ANY automation software you want without ANY programming experience.
CrossBrowserTesting - Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.
Codeception - Codeception is a new full-stack testing PHP framework.