AutoHotkey, it's navigation through programs by hotkey-invoked series of smart, self-changing mouse clicks and keystrokes, though it can also do math and launch programs or put the focus on windows in specific ways. For example, I have a dynamic, template-based, weekly, ~60-slide PowerPoint builder whose clicks and keystrokes change across the screen depending on what the content is. One AHK GUI I built lets you specify how to proceed using a base template I made + a spreadsheet with data from week to week.

I also have a URL-cleaning script that deletes all my known trackers when pasting, does URL-decoding, etc. AHK can even check for images on screen and click them or wait to proceed (like wait for the browser to finish loading before taking action, etc.). I've got a bunch of various scripts and have not found any cross-platform tool as remotely as easy + capable.

However, thanks to your post and another Lemmy denizen, I now know of SikuliX! I'll check that out...