I've built an app that has the same goals (not operate a mouse) but approach it completely different. Rather than try to simulate the moving the mouse itself, Shortcat [ https://shortcat.app/ ] indexes the user interface (buttons, text fields, links, menus, etc) and enables fast fuzzy search of the interface. Type a word, abbreviations, or hints and hit Enter to click or action the element. Works almost everywhere on…
This app is quality. I can tell you have been working on it for years. Why not charge for it?
I did charge for it a couple of years ago, however I rebuilt the whole thing from scratch after a long hiatus and hadn't had bothered to reimplement licensing because the existing options all kinda suck, and figured I'd focus the time on features and usability first. I think with the modal mode in the next release will bring it much closer to a 1.0 release.