ah gotcha, that’s neat

SponsorBlock

I believe uBlock manages to remove all ads on yt by tickling the subscription of some list bundled in its installation already

Ironfox

https://github.com/ironfox-oss/IronFox

(e) PowerPoint (again, I’d wish I had an alternative).

Oh for ducks’ sakes… just make pdf slides, do you really need animation and/or transitions? They are going to be a proufoudly horrible and disconcertingly awkward mind searing experience anyway