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
Screenster - 10x faster UI testing without a line of code.
BrowserStack - BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
Robot framework - Robot Framework is a generic test automation framework for acceptance testing and acceptance...
XLT - Xceptance LoadTest - The Test Automation and Load Test Tool for Software Development.