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.
httest - The httest provides a large variety of HTTP-related functionality, useful for implementing all...
Screenster - 10x faster UI testing without a line of code.
Robot framework - Robot Framework is a generic test automation framework for acceptance testing and acceptance...
UI.Vision - Modern open-source task and test automation tool and Selenium IDE.
TestComplete - TestComplete Desktop, Web, and Mobile helps you create repeatable and accurate automated tests across multiple devices, platforms, and environments easily and quickly.