Well shit, I just discovered that Munsey's (a website with a massive collection of pulp fiction available for free) has been offline for a good long while (2 years?)

Along with every other website I was using for Public Domain pulp fiction.

Apparently they got taken down for not being super strenuous with their copyright policy.

Aside from Project Gutenberg, what's out there? I want stuff from the 30s that didn't get it's copyright renewed (like The Spider Strikes)

Project Gutenberg has expanded their pulp selection a lot in the last two or three years, but it's still pretty shitty to navigate, and the selection leaves a lot to be desired (they are Extra strenuous on their copyright policy.)
@enkiv2 ooh, this has gotten way better since the last time I touched it.
@ajr
For the past few years the internet archive has been putting a lot of emphasis on their book scanning projects.

@enkiv2 That's awesome.

I'm consistently impressed by the Internet Archive.

@ajr seconding the Internet Archive. There's a number of similar projects, but I don't know how much pulp fiction they carry: https://ebookfriendly.com/free-public-domain-books-sources/

@ajr Internet Archive has a bunch of random stuff.

LibGen might be useful as well.

@dredmorbius the archive is great, but it's very hit or miss on content and navigating it is kind of a massive pain in the ass.

What's libgen?

@ajr

I don't know about The Spider Strikes but Amazon actually has many old books available for downloading, and I believe that Google Books has a lot, too, though I don't personally have experience with their books.