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.
AutoHotkey - The ultimate automation scripting language for Windows.
DalekJS - DalekJS is an open source UI testing tool.
AutoIt - Other Articles You May Like AutoIt Script Editor AutoIt Downloads AutoIt Scripting Language
Webinject - WebInject is a free tool for automated testing of web applications and web services.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.