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Duofolio Alternatives

Duofolio is described as 'One of the best ways to learn a new language is by reading books in it. But this can get very tedious, as you frequently need to switch between the dictionary and the book you're reading. Duofolio's purpose is to make that experience a little bit easier' and is a Ebook Reader in the news & books category. There are more than 50 alternatives to Duofolio for a variety of platforms, including Android, Android Tablet, iPad, iPhone and Windows. The best alternative is calibre, which is both free and Open Source. Other great apps like Duofolio are Project Gutenberg, Amazon Kindle, FBReader and Moon+ Reader.

Duofolio 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 Duofolio.
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One of the best ways to learn a new language is by reading books in it. But this can get very tedious, as you frequently...

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  1. calibre icon

    calibre

    • Mac
    • Windows
    • Linux
    • Homebrew
    • PortableApps.com
    • Flathub
    • BSD
    • Self-Hosted
    107 alternatives to calibre 

    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.

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    Features
    1.  Built-in viewercalibre shows you a quick preview of an image, page or file in supported formats.
    2.  DRM FreeNo Digital rights management (DRM), i.e. no copy protection.
    3.  Portablecalibre can be used from a USB stick or similar with no prior installation.
    4.  Lightweightcalibre consumes less device resources compared to similar apps.
    5.  Extensible by Plugins/Extensionscalibre can be extended with add-ons, plugins and extensions.
    6.  Decentralizedcalibre is based on a decentralized infrastructure with no single entity controlling it.
    7.  Ebook ConversionConvert your ebooks to various formats (PDF, EPUB, MOBI…) and vice-versa with calibre.
    8.  Works Offlinecalibre can be used without the need to connect to the internet.
    9.  Handwritten Notescalibre supports writing by hand (or a stylus) and your text will be converted to text.
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  2. Project Gutenberg icon

    Project Gutenberg

    52 alternatives to Project Gutenberg 

    Project Gutenberg is a library of over 60,000 free eBooks. Choose among free epub and Kindle eBooks, download them or read them online. You will find the world's great literature here, with focus on older works for which U.S. copyright has expired.

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    Features
    1.  Works OfflineProject Gutenberg can be used without the need to connect to the internet.
    2.  Ad-freeProject Gutenberg doesn't contain any form of external advertising.
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    • Amazon Kindle icon

      Amazon Kindle

      • Mac
      • Windows
      • Online
      • Android
      • iPhone
      • Blackberry
      • Android Tablet
      • Windows Phone
      • iPad
      95 alternatives to Amazon Kindle 

      Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and Android-based device. You can discover and read over 630,000 books in the Kindle Store, including the latest bestsellers and new releases.

       Suggest and vote on features
      Features
      1.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
      Kindle on the iPhone/iPod
      Kindle on the iPhone/iPod
    • FBReader icon

      FBReader

      • Mac
      • Windows
      • Linux
      • Android
      • iPhone
      • Android Tablet
      • iPad
      94 alternatives to FBReader 

      E-reader application.

       Suggest and vote on features
      Features
      1.  Dark ModeFBReader supports dark mode for comfortable usage in low light conditions.
      2.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
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    • Moon+ Reader icon

      Moon+ Reader

      • Android
      • Android Tablet
      • Kindle Fire
      70 alternatives to Moon+ Reader 

      Innovative book reader with powerful controls & full functions.

       Suggest and vote on features
      Features
      1.  Text to SpeechMoon+ Reader allows you to transform written text into spoken text.
      2.  Works OfflineMoon+ Reader can be used without the need to connect to the internet.
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    • Google Play Books icon

      Google Play Books

      • Online
      • Android
      • iPhone
      • Chrome OS
      • Android Tablet
      • iPad
      64 alternatives to Google Play Books 

      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.

       Suggest and vote on features
      Features
      1.  Built-in DictionaryGoogle Play Books has a built-in dictionary where you can look up broader definitions of words.
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    • ReadEra icon

      ReadEra

      • Android
      55 alternatives to ReadEra 

      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.

       Suggest and vote on features
      Features
      1.  Dark ModeReadEra supports dark mode for comfortable usage in low light conditions.
      2.  No registration requiredYou can use most of the features in ReadEra without registration.
      3.  Ad-freeReadEra doesn't contain any form of external advertising.
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    • Foliate icon

      Foliate

      • Linux
      • FLATHUB
      • Snapcraft
      • BSD
      37 alternatives to Foliate 

      A simple and modern eBook viewer for Linux desktops.

       Suggest and vote on features
      Features
      1.  Dark ModeFoliate supports dark mode for comfortable usage in low light conditions.
      2.  Built-in DictionaryFoliate has a built-in dictionary where you can look up broader definitions of words.
      3.  Ad-freeFoliate doesn't contain any form of external advertising.
      4.  Text to SpeechFoliate allows you to transform written text into spoken text.
      5.  Support for ThemesYou can use themes and templates to change the look and feel of Foliate.
      6.  Works OfflineFoliate can be used without the need to connect to the internet.
      7.  Full-Text SearchFoliate lets you search for specific words or phrases from inside a document or database.
      8.  No registration requiredYou can use most of the features in Foliate without registration.
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    • Document Viewer icon

      Document Viewer

      • Android
      • Android Tablet
      • F-Droid
      133 alternatives to Document Viewer 

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

       Suggest and vote on features
      Features
      library view
    • Apple Books icon

      Apple Books

      • Mac
      • iPhone
      • iPad
      87 alternatives to Apple Books 

      Apple Books is the single destination for all the books you love, and the ones you’re about to. Browse the Book Store, join Oprah’s new Book Club, keep track of what you’ve read and want to read, and listen to enthralling audiobooks. All in one place.

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    Showing 10 of 79 alternatives
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