calibre Alternatives for Windows

There are many alternatives to calibre for Windows if you are looking for a replacement. The best Windows alternative is Readest, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to calibre and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to calibre are Koodo Reader, Sigil, Amazon Kindle and FBReader.

filter to find the best alternatives

Most calibre alternatives are Ebook Readers, but you can also narrow the list to Ebook Libraries or PDF Readers. Other popular filters are Android, Windows, Self-Hosted, Chrome OS and Android Tablet.
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Alternatives
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Alternatives list

  1. Readest icon
     55 likes

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

    24 Readest alternatives

    Cost / License

    Application type

    Since

    • Since 2024

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Self-Hosted
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • Flathub
    • Flatpak
    • US flagUnited States
    Annotation
    Good alternative?
     
  2. Koodo Reader icon
     80 likes

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

    42 Koodo Reader alternatives

    Cost / License

    Application type

    Since

    • Since 2021

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Flathub
    Good alternative?
     
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    2
  3. Sigil icon
     132 likes

    Sigil is a multi-platform ebook editor. It is designed to edit books in ePub format.

    38 Sigil alternatives

    Cost / License

    Application type

    Since

    • Since 2010

    Platforms

    • Windows
    • Mac
    • Linux
    • PortableApps.com
    Good alternative?
     
  4. Amazon Kindle icon
     248 likes

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

    139 Amazon Kindle alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2010

    Platforms

    • Windows
    • Mac
    • Online
    • Android
    • iPhone
    • iPad
    • Android Tablet
    Good alternative?
     
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    6
  5. FBReader icon
     222 likes

    E-reader application.

    127 FBReader alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2010

    Platforms

    • Windows
    • Mac
    • Linux
    • Android
    • iPhone
    • iPad
    • Android Tablet
    Good alternative?
     
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    10
  6. 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.

    63 Episteme Reader alternatives

    Cost / License

    Application type

    Since

    • Since 2026

    Platforms

    • Windows
    • Linux
    • Debian
    • Arch Linux
    • Android
    • Android Tablet
    • Fedora
    • F-Droid
    Good alternative?
     
  7. Kavita icon
     32 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...

    203 Kavita alternatives

    Cost / License

    Application type

    Since

    • Since 2021

    Platforms

    • Windows
    • Mac
    • Linux
    • Self-Hosted
    • Cloudron
    Good alternative?
     
  8. Thorium Reader icon
     24 likes

    Thorium Reader is a free, open source multi-language EPUB reader for Windows 10, MacOS and Linux. It's privacy aware and highly accessible for visually impaired and dyslexic people.

    68 Thorium Reader alternatives

    Cost / License

    Application type

    Since

    • Since 2020

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  9. 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.

    74 Citadel (ebook library manager) alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2024

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  10. Librum icon
     13 likes

    A clean and simple way to read your books on any device and build your own online library.

    72 Librum alternatives

    Cost / License

    Application type

    Since

    • Since 2023

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  11. Supports EPUB and PDF formats, reading borrowed library and DRM-protected eBooks on Windows, macOS, tablets, and phones, with features like annotation, syncing across devices, offline reading modes, organizational tools, and custom shelves for managing content.

    27 Adobe Digital Editions alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2011

    Platforms

    • Windows
    • Mac
    • Android
    • iPhone
    • iPad
    • Android Tablet
    Good alternative?
     
12 of 55 calibre alternatives