What are some alternatives?
When comparing Sikuli and AutoIt, you can also consider the following products
AutoHotkey - Free keyboard macro program. Supports hotkeys for keyboard, mouse, and joystick. Can expand abbreviations as you type them (AutoText).
TinyTask - TinyTask provides quick and easy automation by recording-playback.
FastKeys - Latest Version 4. 05. 28th December 2017 - Engine optimization, - Language translation updates, - General improvements and bug fixes. View Version History Your FEEDBACK is highly appreciated - send us an email or make a comment on FastKeys Forum.
WinAutomation - WinAutomation is the leading Windows automation software available today. Macro Recorder, Web Recorder and an advanced Task Scheduler wrapped into one.
Hammerspoon - This is a tool for powerful automation of OS X.
Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.