The other highlight from my quick skim is basiljs, which makes indesign scriptable through a Processing-like API. As an occasional book designer, that sounds like lots of fun!
If you like this kind of thing, you should check out SpeakeasyJS, a JavaScript meetup for mad science, hacking, and experiments. You can see all previous talks here to get an idea: https://speakeasyjs.com/talks
That’s what the filter on the page is set to by default. It’s confusing and works less than well on mobile. Click All or any other tag there and you’ll see tools.
A neat collection and it’s always great to see people share open source software but the site could probably use a bit of work IMHO...
If you use uMatrix (the browser extension), it blocks by default some links from Google that are essential for the list to work; just disable it for this site.
https://github.com/everestpipkin/tools-list