[userbinator]

MenuetOS/KolibriOS:

https://news.ycombinator.com/item?id=38059961

https://news.ycombinator.com/item?id=27249075

That was 1999 and I never saw anything like that afterwards.

Now you have ;-)

[whalesalad]

The first time I booted menuet OS (2005? high school?) I was absolutely floored at how capable (and decent looking) an OS that lives entirely on a 1.44mb floppy could be.

[hilti]

Wow! I never heard of them. KolibriOS looks promising.