calibre Alternatives for Windows

There are many alternatives to calibre for Windows if you are looking for a replacement. The best Windows alternative is Koodo Reader, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to calibre and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to calibre are Sigil, Citadel (ebook library manager), Kavita and Librum.

filter to find the best alternatives

calibre alternatives are mainly Ebook Readers, but if you're looking for Ebook Libraries or PDF Readers you can filter on that. These are just examples - use the filter bar below to find more specific alternatives to calibre.
calibre iconcalibre
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  • ...

Free e-book manager offering library management, multi-format conversion, syncing to devices, news download as e-books, built-in viewer, editor, and privacy.

More about calibre
More about calibre
calibre alternatives page was last updated May 17, 2025
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  1. Koodo Reader icon

    Koodo Reader

     39 likes
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    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.

    26 Koodo Reader alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

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

    Properties

    1.  Privacy focused
    2.  Customizable

    Features

    1.  Dark Mode
    2.  Works Offline
    3.  Ad-free
    4.  PDF annotation
    5.  No registration required
    6.  Full-Text Search
    7.  Cloud Sync
    8.  Text to Speech
    9.  Web-Based

    Koodo Reader VS calibre

     
    Comments about Koodo Reader as an Alternative to calibre
    alexanderprange
    Positive •Sep 10, 2022
    1

    cleaner and significantly better user interface and user friendly.

    RemovedUser
    Positive •Dec 23, 2021
    0

    I use the web-based platform and it's just very good. Super intuitive and minimalistic but with great functionalities and customization. And it's FOSS.

    calibre Icon
    Koodo Reader icon

    • Most users think Koodo Reader is a great calibre alternative.

    • Koodo Reader is the most popular Windows & Mac alternative to calibre.

    • Koodo Reader is Free and Open Sourcecalibre is also Free and Open Source
    • Koodo Reader is Customizable and Privacy focusedcalibre is not according to our users
  2. Sigil icon

    Sigil

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

    25 Sigil alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • RS flagSerbia

    Platforms

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    Book View

    Properties

    1.  Customizable

    Features

    1.  WYSIWYG Support
    2.  Portable
    3.  Dark Mode
    4.  Extensible by Plugins/Extensions
    5.  EPub content editing
    6.  Multiple languages
    7.  Linux-based
    8.  Multi Platform
    9.  Support for 64 bit

    Sigil VS calibre

     
  4. Citadel (ebook library manager) icon

    Citadel (ebook library manager)

     14 likes
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    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.

    57 Citadel (ebook library manager) alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • International

    Platforms

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

    Properties

    1.  Lightweight

    Features

    1.  Ad-free
    2.  No Tracking
    3.  Works Offline
    4.  No registration required
    5.  Dark Mode

    Citadel (ebook library manager) VS calibre

     
  5. Ad
    Screenshot
    Adobe Digital Editions icon
    Adobe Digital Editions

    Optimize your reading experience with the best eBook reader across formats.

    https://www.adobe.com
    Learn More
  6. Kavita icon

    Kavita

     23 likes
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    Lighting 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...

    173 Kavita alternatives

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    Kavita screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Web-Based
    2.  Dark Mode
    3.  Offline Reading
    4.  Ad-free
    5.  No Tracking
    6.  File Hosting

    Kavita VS calibre

     

    • Kavita is the most popular Self-Hosted alternative to calibre.

    • Kavita is Freemium and Open Sourcecalibre is Free and Open Source
    • Kavita is Lightweightcalibre is not according to our users
  7. Librum icon

    Librum

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

    License model

    • Freemium • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    Librum screenshot 1

    Properties

    1.  Customizable

    Features

    1.  Cloud Sync
    2.  Bookmarking

    Librum VS calibre

     
  8. Adobe Digital Editions icon

    Adobe Digital Editions

     37 likes
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    Optimize your reading experience with the best eBook reader across formats.

    19 Adobe Digital Editions alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Adobe Digital Editions screenshot 1

    Adobe Digital Editions Features

    1.  Ad-free

    Adobe Digital Editions VS calibre

     
  10. Icecream Ebook Reader icon

    Icecream Ebook Reader

     19 likes
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    Icecream Ebook Reader is a software that turns your computer screen into an EPUB reader, supporting various ebook formats such as EPUB, MOBI, FB2, PDF, and more. It enables users to manage a digital library and offers features like page turning, bookmarking, note taking, text...

    94 Icecream Ebook Reader alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • RU flagRussia

    Platforms

    • Windows
    Icecream Ebook Reader screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  No registration required
    2.  Text to Speech
    3.  Dark Mode
    4.  Tablet support
    5.  Book search
    6.  Built-in translation
    7.  Fullscreen support

    Icecream Ebook Reader VS calibre

     
  11. Readest icon

    Readest

     6 likes
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    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.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    Annotation

    Properties

    1.  Lightweight
    2.  Support for Themes
    3.  Privacy focused

    Features

    1.  Cloud Sync
    2.  Portable
    3.  Ad-free
    4.  Built-in viewer
    5.  Full-Text Search
    6.  Works Offline
    7.  Dark Mode
    8.  No registration required

    Readest VS calibre

     
  12. Alfa eBooks Manager icon

    Alfa eBooks Manager

     14 likes
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    The most powerful and easy-to-use Book Organizer

    Alfa Ebooks Manager is a free program that allows to organize your electronic and paper books in single e-Library.

    20 Alfa eBooks Manager alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • RU flagRussia

    Platforms

    • Windows
    Alfa eBooks Manager screenshot 1

    Alfa eBooks Manager Features

    1.  Book Manager

    Alfa eBooks Manager VS calibre

     
9 of 41 calibre alternatives