Synergy - Cross-platform software for sharing your mouse and keyboard between multiple computers
Pulover’s Macro Creator - Pulover’s Macro Creator is a Free Automation Tool and Script Generator.
Input Director - Control multiple windows systems with one keyboard/mouse. Share a keyboard and mouse across multiple windows system.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.
Barrier - Barrier is a cross-platform software for sharing your mouse and keyboard between multiple computers...
Hammerspoon - This is a tool for powerful automation of OS X.