The Internet Archive is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, it provides free access to researchers, historians, scholars, the print disabled, and the general public.




KUPDF is described as 'Online books in all types of formats' and is an website. There are more than 25 alternatives to KUPDF, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and iPad apps. The best KUPDF alternative is Z-Library, which is free. Other great sites and apps similar to KUPDF are Internet Archive, Sci-Hub, Anna’s Archive and Library Genesis.
The Internet Archive is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, it provides free access to researchers, historians, scholars, the print disabled, and the general public.




Search engine of shadow libraries: books, papers, comics, magazines. Z-Library, Library Genesis, Sci-Hub. Fully resilient through open source code and data. Spread the word: everyone is welcome here!.

Anna’s Archive is the most popular Open Source alternative to KUPDF.
Project Gutenberg is a library of over 60,000 free eBooks. Choose among free epub and Kindle eBooks, download them or read them online. You will find the world's great literature here, with focus on older works for which U.S. copyright has expired.



Discover a vast library of books to search, preview, and buy, read free public domain books, sync page positions, and back up purchases online for a seamless reading experience across multiple devices.



Google Play Books is the most popular iPhone, iPad & Android Tablet alternative to KUPDF.
Myne is a FOSS Android application to download ebooks from the Project GutenBerg, it uses GutenDex API to fetch metadata of ebooks in the backend.



Ebook Searcher is an online tool designed to help users find and download ebooks from various websites. It operates as a search engine, scanning numerous sites, blogs, and forums to locate downloadable ebooks, rather than hosting files itself.




An archive focusing on anarchism, anarchist texts, and texts of interest for anarchists. Within the scope of our use of the term “anarchism” we have been quite broad, but broad does not mean infinite, and basically shrinks down to a set of ideas against the State and the capital.


Online platform for the construction, customization, and dissemination of open educational resources (OER)

Free Book Spot is a free e-books links library where you can find and download free books in almost any category. Do you like ebooks? This is place for you! We have lots of links to free ebooks in more than 90 categories.

DOAB is a community-driven discovery service that indexes and provides access to scholarly, peer-reviewed open access books and helps users to find trusted open access book publishers. All DOAB services are free of charge and all data is freely available.

Libgen Desktop is a Windows application for browsing a local copy of LibGen catalog. The main (non-fiction), fiction and scientific articles (scimag) LibGen collections are supported.



