AutoHotkey (AHK) is a free, open-source macro-creation and automation software for Windows that allows users to automate repetitive tasks
Ranked in these QuestionsQuestion Ranking
Pro Fully programmable
With a full programming language powering the hotkeys, including GUIs, it is powerful and flexible
Pro Can map keys to scripts
Pro Scripting of common procedures
AHK allows full scripts to be created and used. it is very flexible.
Pro Allows for extremely easy remapping keys and buttons on your keyboard, joystick, and mouse
You can reprogram any key combination, including the Windows key with a syntax like this one:
that automatically remaps the H key to show a message box.
Can interact with any Windows program / dialog / form, filling fields, submitting data, etc., without dependency on the window placement.
Con Programming language is primitive
The base syntax, inherited from the first version of AutoIt, is primitive (a bit like an improved batch syntax). But once used to it, it remains flexible and powerful.