AutoHotkey - The ultimate automation scripting language for Windows.
Wayland - Wayland is intended as a simpler replacement for X, easier to develop and maintain.
Pulover’s Macro Creator - Pulover’s Macro Creator is a Free Automation Tool and Script Generator.
Y Window System - Y Window System is a platform that allows you to improve the speed, working, and efficiency of the application in your operating system and helps you to increase the responsiveness of applications similar to any locally based app.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.
XQuartz - The XQuartz project is an open-source effort to develop a version of the X.