Pentest framework running (almost) entirely in the browser via pyodide. OctoPwnWeb has been presented a41con.
How it started: “I waited 2 years for this, rewrote impacket for this, asked cryptographers to remake algos in python for this, spent enormous time of my life to make this happen. and it's finally here this finally works and I can't find the words to express my satisfaction.” (SkelSec)
“For the record: the two crypto guys who eventually helped me in pure-python rewrite of some algos tole me to never ever use it anywhere and also they dont want to be mentioned.” (SkelSec)