There is the lesser-known web server rwasa written in flat assembler:
https://2ton.com.au/rwasa/
29 karma · joined April 7, 2011
Full steps on https://github.com/fosslinux/live-bootstrap/blob/master/part...
I got introduced to BBC Basic on Amstrad examples with graphics as a kid and it got me hooked on programming.
Not sure how work can be done on something like KWin without that rule guiding decisions.
I often use it as a refresher