I really liked Roget’s Thesaurus, when it was working, that is… Unfortunately for at least two weeks now it doesn’t work.
Is it possible for me to download it somehow, so I can keep it and use it, because I am afraid something like that might happen in the future, and also there is no clear view on when it will be fixed, while I kinda need it for my studies.
I’m guessing that was built from an old public domain edition, so you could search for the name plus “public domain”. I think this might be the prior edition: Roget's Thesaurus by Peter Mark Roget - Free Ebook (it has an online version which doesn’t link all the words, but you could highlight, copy, Ctrl//CMD+F).
I asked Nick about getting access to the thesaurus vault once. He indicated it wasn’t possible to share for legal reasons. I am not a lawyer, I have no idea; his call. This isn’t really an obsidian question FWIW. If you really wanted it, wouldn’t be too hard to write a scraper for the markdown on an Obsidian publish site, but that seems like a legal grey area to me. I’d just be happy with the online version.