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 Librera Reader, MuPDF, Koodo Reader and Readest.

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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 list

  1. calibre icon

    calibre

     1488 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.

    113 calibre alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Flathub
    • PortableApps.com
    • Homebrew
    calibre screenshot 1
     
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    1
    Comments about calibre as an Alternative to KOReader
    William Hay
    0

    Not the same functionality. One is an e-book reader. The other is an e-book manager

    Review by a new / low-activity user.
    KOReader Icon
    calibre icon

    • calibre is the most popular Mac, Linux & Self-Hosted alternative to KOReader.

    • calibre is Free and Open SourceKOReader is also Free and Open Source
    • calibre is Customizable and Privacy focusedKOReader is not according to our users
  2. Librera Reader icon

    Librera Reader

     77 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.

    65 Librera Reader alternatives

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Librera Reader screenshot 1
     
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    1
    Comments about Librera Reader as an Alternative to KOReader
    Guest
    Positive
    0

    easy to get via github even if you have no access to google's service

    Review by a new / low-activity user.
    KOReader Icon
    Librera Reader icon

    • Librera Reader is the most popular Android & Android Tablet alternative to KOReader.

    • Librera Reader is Freemium and Open SourceKOReader is Free and Open Source
    • Librera Reader is Customizable and Privacy focusedKOReader is not according to our users
  4. MuPDF icon

    MuPDF

     157 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.

    89 MuPDF alternatives

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    • Android
    • F-Droid
    • Xfce
    MuPDF screenshot 1
     
  5. Koodo Reader icon

    Koodo Reader

     60 likes

    Koodo Reader is an all-in-one e-book reader that can help you better manage and study your e-books. It's free and open-source.

    28 Koodo Reader alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    Koodo Reader screenshot 1
     

    • Koodo Reader is the most popular Web-based alternative to KOReader.

    • Koodo Reader is Free and Open SourceKOReader is also Free and Open Source
    • Koodo Reader is Customizable and Privacy focusedKOReader is not according to our users
  6. Readest icon

    Readest

     27 likes

    Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.

    14 Readest alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Flathub
    • Flatpak
    • Android Tablet
    Annotation
     

    • Readest is the most popular iPhone & iPad alternative to KOReader.

    • Readest is Free and Open SourceKOReader is also Free and Open Source
    • Readest is Privacy focusedKOReader is not according to our users
  7. Book's Story icon

    Book's Story

     33 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 types

    Platforms

    • Android
    • F-Droid
    Book's Story screenshot 1
     
  10. ReadEra icon

    ReadEra

     56 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.

    77 ReadEra alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Android
    ReadEra screenshot 1
     
  13. Kavita icon

    Kavita

     26 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...

    170 Kavita alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source (GPL-3.0)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Cloudron
    Kavita screenshot 1
     
  14. Citadel (ebook library manager) icon

    Citadel (ebook library manager)

     14 likes

    Citadel helps you manage your ebook libraries. It provides a simple, user-friendly interface to add new books to your library or update book metadata like titles, authors, and tags, all while remaining compatible with Calibre.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    All Books view (as Grid). List is also supported.
     
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