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  1. Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e., a single entry in your library that may correspond to actual e-book files in several formats.
  2. Z-Library is one of the largest online libraries in the world that contains over 4,960,000 books and 77,100,000 articles. We aim to make literature accessible to everyone.


  3. Library Genesis is a search engine for articles and books on various topics, which allows free access to content that is otherwise paywalled or not digitized elsewhere.

    Use with caution

    Flagged as potentially breaking copyright or other laws
  4. Sci-Hub is a non-profit and ad-free shadow library website that provides free and open access to over 85.4 million scientific articles and research papers, bypassing publishers' paywalls and restrictions through various means.

    Use with caution

    Flagged as potentially breaking copyright or other laws
  5. 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.
    • FreeProprietary
    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Blackberry
    • Android Tablet
    • Windows Phone
    • iPad
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    Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and Android-based device. You can discover and read over 630,000 books in the Kindle Store, including the latest bestsellers and new releases.
  6. Innovative book reader with powerful controls & full functions.
  7. The libgen.me links aggregator is a community aiming at collecting and cataloging items descriptions for the most part of scientific, scientific and technical directions, as well as file metadata.
  8. Read book files in EPUB, PDF, DOC, DOCX, RTF, TXT, DJVU, FB2, MOBI and CHM formats. Supports chapters, bookmarks, page style. Saves the current reading position. Automatic detection and display of the list of all supported documents on your device.
  9. Librera Reader is a highly customizable and feature-rich application for reading books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR formats on Android devices.
  10. Apple Books is the single destination for all the books you love, and the ones you’re about to. Browse the Book Store, join Oprah’s new Book Club, keep track of what you’ve read and want to read, and listen to enthralling audiobooks. All in one place.
  11. Online library of downloadable e-books that focuses on quality and modern standards in typography.
  12. Cool Reader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Understands a number of text document formats, suppurt OPDS (in new ui-opengl version).
    • FreeProprietary
    • Online
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    ebook3000.com is the best free ebooks download library. It's the open directory for free ebooks and download links, and the best place to read ebooks and search free download ebooks.
    • FreeProprietary
    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    More
    One eBook reader for all your Adobe DRM protected books across your iPad, Mac or PC. Adobe Digital Editions (ADE) is free-to-download and use, and completely ad-free. Use it to read EPUB and PDF books, both online and offline.