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.
DalekJS - DalekJS is an open source UI testing tool.
Screenster - 10x faster UI testing without a line of code.
Webinject - WebInject is a free tool for automated testing of web applications and web services.
Robot framework - Robot Framework is a generic test automation framework for acceptance testing and acceptance...
Uier - Codeless or low-code User Experience test editing and management using Selenium to perform testing...