KOReader AlternativesOnly apps categorised as Ebook Libraries

The best Ebook Library alternative to KOReader is calibre, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to KOReader and many of them are Ebook Libraries so hopefully you can find a suitable replacement. Other interesting Ebook Library alternatives to KOReader are Readest, Librera Reader, Koodo Reader and MuPDF.

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KOReader alternatives are mainly Ebook Libraries, but if you're looking for Ebook Readers or PDF Readers you can filter on that. Other popular filters include Android and Android + Open Source. These are just examples - use the filter bar below to find more specific alternatives to KOReader.
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Alternatives
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Alternatives list

  1. calibre icon
     1564 likes

    Free e-book manager with features including library management, format conversion, syncing to devices, internet-independent operation, built-in viewer, news download as e-books, text-to-speech, privacy focus, extensible plugins, and no registration or tracking.

    141 calibre alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Flathub
    • PortableApps.com
    • Homebrew
    • Haiku
    Good alternative?
     
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    2
  2. Readest icon
     54 likes

    Readest is a modern, open-source ebook reader for Windows, macOS, Linux, iOS, Android, and the web.

    22 Readest alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Flathub
    • Flatpak
    • US flagUnited States
    Annotation
    Good alternative?
     
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    1
  3. Librera Reader icon
     82 likes

    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.

    78 Librera Reader alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    • OpenAPK
    Good alternative?
     
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    1
  4. Koodo Reader icon
     77 likes

    Koodo Reader is a powerful ebook reader designed to provide a simple and easy-to-use reading experience.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Flathub
    Good alternative?
     
  5. MuPDF icon
     163 likes

    MuPDF offers a highly versatile PDF, XPS, and eBook interpreter, customizable as a renderer, viewer, or toolkit. Features include digital signatures, redactions, form filling, annotations, and page manipulation, ideal for mobile, eBooks, and embedded apps supporting Java, C++, and Python.

    112 MuPDF alternatives

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Android
    • F-Droid
    • Xfce
    • US flagUnited States
    MuPDF screenshot 1
    Good alternative?
     
  6. Amazon Kindle icon
     246 likes

    The Kindle app puts millions of books, magazines, newspapers, comics, and manga at your fingertips.

    132 Amazon Kindle alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
  7. Moon+ Reader icon
     99 likes

    Innovative book reader with powerful controls & full functions.

    93 Moon+ Reader alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Android
    • Android Tablet
    Good alternative?
     
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    1
  8. Book's Story icon
     35 likes

    Material3 eBook reader - Book's Story. Built with Jetpack Compose. Free & Open Source & Ad Free. 4 supported file formats (.txt, .pdf, .epub, .fb2), 2 supported languages. Lots of customization.

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
    Good alternative?
     
  9. Openlib icon
     36 likes

    Openlib is an open source app to download and read books from shadow library (Anna’s Archive). The App Has Built In Reader to Read Books.

    81 Openlib alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
    Good alternative?
     
  10. ReadEra icon
     59 likes

    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.

    95 ReadEra alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Android
    • US flagUnited States
    ReadEra screenshot 1
    Good alternative?
     
  11. Episteme Reader icon
     12 likes

    Episteme Reader is an offline-first application designed for reading various document formats. It leverages native Android technologies and C++ libraries to provide a performant reading experience with customization capabilities.

    Cost / License

    Application type

    Platforms

    • Windows
    • Android
    • Android Tablet
    • F-Droid
    • Linux
    • Debian
    • Fedora
    • Arch Linux
    Good alternative?
     
  12. Kavita icon
     30 likes

    Lightning fast with a slick design, Kavita is a rocket-fueled self-hosted digital library which supports a vast array of file formats. Install to start reading and share your server with your friends. book reader, self hosted, manga, comics, free, manhwa, e readers, electronic...

    194 Kavita alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Cloudron
    Good alternative?
     
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