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 Easy To Learn but extremely Powerful
Basic Stuff is very easy and even advanced programming is possible, as the language is now able to use objects and classes and has a ton of free libraries and one of the most helpful and friendly communities on the Internet.
Pro Fully programmable
With a full programming language powering the hotkeys, including GUIs, it is powerful and flexible.
Can interact with any Windows program / dialog / form, filling fields, submitting data, etc., without dependency on the window placement.
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.
Pro Scripting of common procedures
AHK allows full scripts to be created and used, it is very flexible.
Pro Can map keys to scripts
Pro Helpful forum
Pro Good help documentation
Con Programming language is primitive
The base syntax, inherited from the first version of AutoIt, is primitive (a bit like an improved batch syntax).