Open Source Okular Alternatives

The best open source alternative to Okular is SumatraPDF. If that doesn't suit you, our users have ranked more than 100 alternatives to Okular and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Okular are PdfCraft, LibreOffice - Draw, KOReader and Koodo Reader.

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Most Okular alternatives are PDF Readers, but you can also narrow the list to Ebook Readers or PDF Editors. Other popular filters are Android, Windows, Linux, Mac and Open Source.
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Alternatives
Okular alternatives page was last updated

Alternatives list

  1. zathura icon
     44 likes

    Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.

    87 zathura alternatives

    Cost / License

    • Free
    • Open Source (Zlib)

    Application type

    Since

    • Since 2010

    Platforms

    • Mac
    • Linux
    • BSD
    • Homebrew
    • MacPorts
    Good alternative?
     
  2. PDF4QT icon
     14 likes

    Open-source PDF viewer and editor using Qt framework, featuring hardware-accelerated rendering, encryption, multithreading, text-to-speech, annotation tools, form filling, high-res monitor support, document compression, audio book conversion, and signature validation.

    136 PDF4QT alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2023

    Platforms

    • Windows
    • Linux
    • Flathub
    Good alternative?
     
  3. Shelf is a convergent document viewer that supports PDF and EPUB files. With Shelf, you can organize your document collection by creating tags, like other Maui applications.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2021

    Platforms

    • Linux
    • Android
    Good alternative?
     
  4. PdfDing icon
     6 likes

    PdfDing is a browser based PDF manager, viewer and editor that you can host yourself. It offers a seamless user experience on multiple devices. It's designed be to be minimal, fast, and easy to set up using Docker.

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Online
    • Docker
    • Kubernetes
    Good alternative?
     
  5. NightPDF icon
     5 likes

    Dark Mode PDF reader.

    Cost / License

    Application type

    Since

    • Since 2020

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    • Linux
    • Flathub
    Good alternative?
     
  6. The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.

    Cost / License

    Application type

    Since

    • Since 2021

    Platforms

    • Android
    • Kindle Fire
    • F-Droid
    • HUAWEI AppGallery
    Good alternative?
     
  7. Arianna icon
     5 likes

    An ebook reader and library management app supporting ".epub" files. Arianna discovers your books automatically, and sorts them by categories, genres and authors.

    Cost / License

    Application type

    Since

    • Since 2023

    Platforms

    • Linux
    • KDE Plasma
    • Linux Mobile
    • Haiku
    • Flathub
    Good alternative?
     
  8. Xpdf icon
     12 likes

    Xpdf is a free PDF viewer and toolkit, including a text extractor, image converter, HTML converter, and more. Most of the tools are available as open source.

    79 Xpdf alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2011

    Platforms

    • Windows
    • Mac
    • Linux
    • US flagUnited States
    Xpdf screenshot 1
    Good alternative?
     
  9. SimplePDF icon
     1 like

    Simple macOS PDF reader with ChatGPT integrated. You can chat with your local PDF. The returned response can cite the page number to ensure correctness.

    Cost / License

    Application type

    Since

    • Since 2023

    Platforms

    • Mac
    Good alternative?
     
  10.  1 like

    PrivatePDF is a free web tool that lets you make quick PDF edits from within your web browser, without uploading anything anywhere.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2023

    Platforms

    • Online
    • Self-Hosted
    Good alternative?
     
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