> Downloaded format are mostly `.pdf` or `.epub`



- Somewhat shady ([links may be broken](https://en.wikipedia.org/wiki/Link_rot))
	- [Open SLUM 2.0: The Shadow Library Uptime Monitor](https://open-slum.pages.dev)
	- [Shadow Libraries](https://shadowlibraries.github.io/)
	- [Z-Library](https://1lib.sk/)
		- [how_to_access_zlibrary_through_your_browser](https://www.reddit.com/r/zlibrary/wiki/index/access/#wiki_how_to_access_zlibrary_through_your_browser)
	- [Anna’s Archive](https://annas-archive.org/)
	- [OnRead.com](https://www.onread.com/)
	- [Sci-hub](https://sci-hub.se/)
		- scientific stuff
	- [GitHub - YoungLC/ebooks: 📚经典技术书籍 PDF 文件，持续更新...](https://github.com/YoungLC/ebooks)
		- or other GitHub repos like this
	- [Library Genesis](https://libgen.li/)
- Reliable
	- [Project Gutenberg](https://www.gutenberg.org/)
		- Project Gutenberg is a library of over 70,000 free eBooks
		- 人類精神文明結晶，公有領域巨作
	- [Standard Ebooks](https://standardebooks.org/)
		- classics, public domain stuff
		- works for [[amazon kindle|kindle]], but with extra steps
	- [arXiv.org e-Print archive](https://arxiv.org/)
		- scholarly articles
	- [WikiSource](https://wikisource.org/wiki/Main_Page)
		- public domain stuff
	- [About FreeTechBooks](https://www.freetechbooks.com/about)
		- lists free online computer science, engineering and programming **books**, **textbooks** and **lecture notes**, all of which are legally and freely available over the Internet.
- Community
	- [Ask for PDFs from People with Institutional Access \| Facebook](https://www.facebook.com/groups/850609558335839/)