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calibre Alternatives

calibre is described as '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' and is a leading Ebook Reader in the news & books category. There are more than 100 alternatives to calibre for a variety of platforms, including Android, Android Tablet, Windows, Linux and iPhone. The best alternative is MuPDF, which is both free and Open Source. Other great apps like calibre are Polar, Moon+ Reader, Librera Reader and ReadEra.

calibre alternatives are mainly eBook Readers but may also be eBook Libraries or PDF Readers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of calibre.
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calibre iconcalibre
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  • FreeOpen Source
  • Mac
  • Windows
  • Linux
  • BSD
  • Self-Hosted

Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed...

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  1. MuPDF icon

    MuPDF

    • FreeOpen Source
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • F-Droid
    • Xfce

    MuPDF is a highly versatile, customizable PDF and XPS interpreter solution that can be used across a wide range of applications as a PDF renderer, viewer, or toolkit.

    ⚫︎ LightweightMuPDF consumes less device resources compared to similar apps.
    ⚫︎ PortableMuPDF can be used from a USB stick or similar with no prior installation.
    ⚫︎ PDF annotationMuPDF support PDF Annotation for highlighting, notes etc
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  2. Polar is a powerful desktop app for managing all your web content, books, and notes. Polar keeps all your content in one place, supports tagging, annotation, highlighting and keeps track of your reading progress.

    ⚫︎ PDF annotationPolar support PDF Annotation for highlighting, notes etc
    ⚫︎ Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
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    Captured HTML content available for offline viewing at any time.
    Polar vs calibre opinions
    Most users think Polar is a great alternative to calibre.


  3. Moon+ Reader icon

    Moon+ Reader

    • FreemiumProprietary
    • Android
    • Android Tablet
    • Kindle Fire

    Innovative book reader with powerful controls & full functions.

    ⚫︎ Text to SpeechMoon+ Reader allows you to transform written text into spoken text.
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    Moon+ Reader vs calibre opinions
    This alternative is disputed. Moon+ Reader is still a legitimate alternative to calibre, but it might have issues that some users think are important.
    madamek

    Only for reading; restricted to handheld devices.

    Negative comment ago
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    13
    thebenmix11

    Calibre is for PC, Moon+ Reader is for Android. They are great as counterparts and I use both regularly, but neither is an alternative to the other.

    Negative comment ago
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    0

    Only a reader. Does not have any library management capabilities.

    Negative comment ago
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    12
    davmajer

    It's not a better alternative but it is close enough!

    Positive comment ago
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    -4
  4. Librera Reader icon

    Librera Reader

    • FreemiumOpen Source
    • Android
    • Android Tablet
    • F-Droid

    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.

    ⚫︎ CustomizableLibrera Reader is easy to customize with themes or similar features.
    ⚫︎ Text to SpeechLibrera Reader allows you to transform written text into spoken text.
    ⚫︎ LightweightLibrera Reader consumes less device resources compared to similar apps.
    ⚫︎ Full-Text SearchLibrera Reader lets you search for specific words or phrases from inside a document or database.
    ⚫︎ Dark ModeLibrera Reader supports dark mode for comfortable usage in low light conditions.
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  5. ReadEra icon

    ReadEra

    • FreemiumProprietary
    • Android

    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.

    ⚫︎ Dark ModeReadEra supports dark mode for comfortable usage in low light conditions.
    ⚫︎ No registration requiredYou can use most of the features in ReadEra without registration.
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  6. A simple and modern eBook viewer.

    ⚫︎ Dark ModeFoliate supports dark mode for comfortable usage in low light conditions.
    ⚫︎ Text to SpeechFoliate allows you to transform written text into spoken text.
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    Screenshot
  7. Document Viewer icon

    Document Viewer

    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid

    Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .

    ⚫︎ CustomizableDocument Viewer is easy to customize with themes or similar features.
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    library view
    Document Viewer vs calibre opinions
    Some users think Document Viewer is a great alternative to calibre, some don't.
  8. Google Play Books icon

    Google Play Books

    • FreemiumProprietary
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad

    Google Play Books lets you search, preview, and buy millions of books using Google Book Search. Books in the public domain and certain copyrighted books can be read and downloaded in their entirety for free.

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    Google Play Books vs calibre opinions
    Some users think Google Play Books is a great alternative to calibre, some don't.

    Allows epub-format books to be uploaded, at which point they become available on all devices you have GPB installed on. I use this for all my public-domain (Gutenberg, Azora-bunko, etc) ebook reading.

    Top positive comment   ago
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    0

    Calibre is not a book store

    Top negative comment   ago
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    0

    You cannot buy books to put onto a regular ereader from this, it is for Android tablets/phones only.

    Negative comment ago
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    0

    calibre is a ebook converter, not a store or reader

    Negative comment ago
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    -12

    Only able to manage from the Google Play Books catalog. Cannot upload own books/documents. Does not sync with Kindle device, not able to edit metadata, &c.

    Negative comment ago
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    -5
  9. Cool Reader  icon

    Cool Reader

    • FreeOpen Source
    • Linux
    • Android
    • Android Tablet

    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).

    ⚫︎ PortableCool Reader can be used from a USB stick or similar with no prior installation.
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    Android version
    Cool Reader vs calibre opinions
    Some users think Cool Reader is a great alternative to calibre, some don't.

    Not management system, only reader.

    Negative comment ago
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    8
  10. KOReader icon

    KOReader

    • FreeOpen Source
    • Linux
    • Android
    • Kobo
    • PocketBook Reader
    • Kindle Fire

    KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.

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Showing 10 of 104 alternatives