Hacker News with Generative AI: Keyboard Shortcuts

YouTube Keyboard Shortcuts (daringfireball.net)
A few weeks ago when I wrote about Downie — the excellent Mac app for downloading high-quality local copies of web videos — I mentioned that one reason I prefer downloading videos is being able to step through a video frame-by-frame.
Keymapper: A cross-platform context-aware key remapper (github.com/houmain)
A cross-platform context-aware key remapper. It allows to:
Mouseless – fast mouse control with the keyboard (mouseless.click)
The history of Alt+number sequences (microsoft.com)
Why is Alt+F4 the hotkey for closing a window? Why not Alt+F5 or Alt+F3? (microsoft.com)