Handy keyboard locker for Windows written in Typescript specifically for Deno runtime. This one is strongly inspired by the same app in AutoHotkey version, but allows you to customize hotkeys, unlock phrase etc. Also AHK version bugged for me when I was logging in any locale except en-related.
Assuming you're on Windows machine, download Deno runtime and then do in folder with this project:
deno task startand here you go.
By default it locks your keyboard when you press Ctrl + Alt + L and unlocks when you type unlock. To prevent hotkey latching it also has 250 ms delay.
Pay attention that it uses some pre-compiled binaries from systray package to provide sys tray functionality, so your antivirus might be angry.