AutoHotkey - The ultimate automation scripting language for Windows.
X Steps Recorder - A clone of Microsoft's Problem Steps Recorder, but for linux.
Pulover’s Macro Creator - Pulover’s Macro Creator is a Free Automation Tool and Script Generator.
Folge - The fastest tool for creating step-by-step guides.
AutoKey - A Python 3 port of AutoKey, the desktop automation utility for Linux and X11.
Snagit - Screen Capture Software for Windows and Mac