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 one of the leading apps in the News & Books category. There are more than 100 alternatives to calibre for a variety of platforms, including Android, Windows, iPhone, Mac and iPad. The best alternative is Foxit Reader. It's not free, so if you're looking for a free alternative, you could try Okular or Moon+ Reader. Other great apps like calibre are Polar (Freemium), ReadEra (Free), Foliate (Free, Open Source) and Document Viewer (Free, Open Source).

    This page was last updated Jun 7, 2021

    1. Foxit Reader is a free and light-weight multi-platform PDF document viewer. Its core function is compatible with PDF Standard 1.7.


      The installer tries to install McAfee WebAdvisor and PhantomPDF Business. These can be skipped by clicking Decline on each.

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    2. Okular is a universal document viewer developed by KDE. Okular works on multiple platforms, including but not limited to Linux, Windows, macOS, *BSD, etc.
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      Okular vs calibre opinions
      pros, cons and recent comments
      It's only a bad document reader. lol
      Negative comment 6 months ago

      Okular can not manage e-book readers. It's only a glorified document reader.
      Negative comment 10 months ago

      Just a reader, not a library manager
      Negative comment 10 months ago


    3. Innovative book reader with powerful controls & full functions: • Read thousands of ebooks for free, supports online ebook libraries • Read local books with smooth scroll and tons of innovation Support epub, pdf, mobi, chm, cbr, cbz, umd, fb2, txt, html, rar, zip or...
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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.
      davmajer It's not a better alternative but it is close enough!
      Top positive comment  about 2 years ago

      Only a reader. Does not have any library management capabilities.
      Top negative comment  almost 2 years ago

      Only reader, not book manager
      Negative comment over 1 year ago

      madamek Only for reading; restricted to handheld devices.
      Negative comment about 3 years ago

      Not management system, only reader.
      Negative comment about 4 years ago

    4. 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.
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      Most users think Polar is a great alternative to calibre.
    5. 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.
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      • 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 .
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      Some users think Document Viewer is a great alternative to calibre, some don't.
    6. 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).
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      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 about 4 years ago

    7. 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.
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    8. iBooks is an amazing way to download and read books. It includes the iBookstore, where you can download both the latest best-selling books, and your favorite classics.
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      This alternative is disputed. Apple Books is still a legitimate alternative to calibre, but it might have issues that some users think are important.
    Showing 10 of 113 alternatives