Openlib AlternativesOnly apps categorised as PDF Readers

The best PDF Reader alternative to Openlib is SumatraPDF, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Openlib and many of them are PDF Readers so hopefully you can find a suitable replacement. Other interesting PDF Reader alternatives to Openlib are calibre, MuPDF, Librera Reader and KOReader.

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

  1. SumatraPDF icon

    SumatraPDF

     1669 likes
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    This free, open-source viewer for Windows supports multiple formats like PDF, eBooks (ePub, Mobi), CHM, and Comic Books (CBZ, CBR). Prioritizing simplicity and speed, it offers a lightweight, portable design with a minimalist interface, catering to users seeking fast and efficient document viewing.

    108 SumatraPDF alternatives

    Cost / License

    Application types

    Platforms

    • Windows
    SumatraPDF screenshot 1
     

    • SumatraPDF is the most popular Windows alternative to Openlib.

    • SumatraPDF is the most popular Open Source & free alternative to Openlib.

    • SumatraPDF is Free and Open SourceOpenlib is also Free and Open Source
    • SumatraPDF is LightweightOpenlib is not according to our users
  2. calibre icon

    calibre

     1487 likes
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    Free e-book manager with features including library management, format conversion, syncing to devices, internet-independent operation, built-in viewer, news download as e-books, text-to-speech, privacy focus, extensible plugins, and no registration or tracking.

    112 calibre alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Flathub
    • PortableApps.com
    • Homebrew
    calibre screenshot 1
     

    • calibre is the most popular Mac, Linux & Self-Hosted alternative to Openlib.

    • calibre is Free and Open SourceOpenlib is also Free and Open Source
    • calibre is Customizable and LightweightOpenlib is not according to our users
  4. MuPDF icon

    MuPDF

     157 likes
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    MuPDF offers a highly versatile PDF, XPS, and eBook interpreter, customizable as a renderer, viewer, or toolkit. Features include digital signatures, redactions, form filling, annotations, and page manipulation, ideal for mobile, eBooks, and embedded apps supporting Java, C++, and Python.

    89 MuPDF alternatives

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    • Android
    • F-Droid
    • Xfce
    MuPDF screenshot 1
     

    • MuPDF is the most popular Android alternative to Openlib.

    • MuPDF is Free and Open SourceOpenlib is also Free and Open Source
    • MuPDF is LightweightOpenlib is not according to our users
  5. Librera Reader icon

    Librera Reader

     76 likes
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    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.

    64 Librera Reader alternatives

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Librera Reader screenshot 1
     

    • Librera Reader is the most popular Android Tablet alternative to Openlib.

    • Librera Reader is Freemium and Open SourceOpenlib is Free and Open Source
    • Librera Reader is Customizable and LightweightOpenlib is not according to our users
  6. KOReader icon

    KOReader

     72 likes
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    An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Kindle, Kobo, PocketBook, Linux and Android devices.

    67 KOReader alternatives

    Cost / License

    Application types

    Platforms

    • Linux
    • Android
    • AppImageHub
    • Kobo Books
    • Flathub
    • F-Droid
    • Kindle Fire
    • Android Tablet
    KOReader screenshot 1
    KOReader screenshot 2
    KOReader screenshot 3
     
  10. FBReader icon

    FBReader

     219 likes
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    E-reader application.

    108 FBReader alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    FBReader screenshot 1
    FBReader screenshot 2
     

    • FBReader is the most popular iPhone & iPad alternative to Openlib.

    • FBReader is Freemium and ProprietaryOpenlib is Free and Open Source
    • FBReader is LightweightOpenlib is not according to our users
  12. ReadEra icon

    ReadEra

     56 likes
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    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.

    77 ReadEra alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Android
    ReadEra screenshot 1
     
  13. Handy Reader icon

    Handy Reader

     9 likes
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    Customizable reader for EPUB, MOBI, AZW, PDF, FB2, and TXT, offering text-to-speech, bookmarks, highlighting, notes, adjustable fonts, color themes, intuitive interface, quick annotations, search, theme customization, and background image support.

    53 Handy Reader alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Android
    • Android Tablet
    Handy Reader screenshot 1
    Handy Reader screenshot 2
    Handy Reader screenshot 3
     
12 of 29 Openlib alternatives