Two more:

https://radio.garden/

https://radiooooo.com/

I use below frequently, all free.

Markdown notes: StackEdit https://stackedit.io

mind-maps in ASCII: ASCIIFlow https://asciiflow.com

hand-drawings: Witeboard https://witeboard.com/

Let them stay on your browser's toolbar in case you need them.

If you think your new Firefox's vertical spacing is way too large, here is the fix. https://github.com/black7375/Firefox-UI-Fix

Source: firefox 91 - how do you fix this ridiculously large vertical spacing (esp for bookmarks?) https://old.reddit.com/r/firefox/comments/p2yuzx/firefox_91_...

It's fake from a video shot in Cagliari https://redd.it/fl1k4a

Alternative to pinup.com I think.

I do compare the site below, enjoy.

https://www.ventusky.com/

And make sure you disable browser's configuration on its fingerprint resist feature cause it will damage site's animation, both on windy or ventusky.

I use below sometimes. Hope you guys like these.

A modern replacement for ls, written in Rust. https://the.exa.website/

ls with coloring and icons https://github.com/Electrux/ls_extended

Don't worried. Let them choose what to play with. They will learn faster than you, I promise.

Off-topic: I'm kinda worried our kids might not know or use pens correctly if we keep pushing keyboard use.

Caution: DuckDuckGo's Apple Maps might kill your macOS's default map (show completely blank map) if your app has non-English language setting. If so, open your active monitor and search "geod", kill it and run map app again. It can return your apple map app back to normal state.

How so?

Try this if you need U2F. Krypton - A software-based U2F Authenticator (Yubikey) on your phone. https://krypt.co/