Open Source Okular Alternatives

    The best open source alternative to Okular is SumatraPDF, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Okular and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Okular are calibre (Free, Open Source), Evince (Free, Open Source), Firefox PDF Viewer (PDF.js) (Free, Open Source) and MuPDF (Free, Open Source).

    This page was last updated Aug 5, 2021

    1. Sumatra PDF is a slim, free, open-source PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI/FB2 viewer for Windows. Why another PDF reader? Sumatra has a minimalistic design. Simplicity has a higher priority than a lot of features. Its small and starts up very fast.
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      SumatraPDF vs Okular opinions
      This alternative is disputed. SumatraPDF is still a legitimate alternative to Okular, but it might have issues that some users think are important.
      Sumatra doesn't have comments and fill forms functionality as Okular does.
      Negative comment almost 4 years ago

      14
      idlesHand Tabs! and is also open source
      Positive comment about 3 years ago

      0
    2. 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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      calibre vs Okular opinions
      This alternative is disputed. calibre is still a legitimate alternative to Okular, but it might have issues that some users think are important.
      rmsfis Calibre is a library management system, while Okular is a feature-rich PDF reader
      Negative comment 4 months ago

      0


    3. Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS, SyncTex support with gedit, comics books (cbr,cbz,cb7 and cbt). For a comprehensive list of formats supported, see Supported Document Formats.
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      Evince vs Okular opinions
      Most users think Evince is a great alternative to Okular.
      There is windows compatible version this program.
      Positive comment about 3 years ago

      -1
    4. PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within Mozilla Firefox almost all PDF files found on the web without a plugin. Also available for...
      Firefox PDF Viewer (PDF.js) vs Okular opinions
      pros, cons and recent comments
      It works well and it works in Firefox
      Positive comment over 4 years ago

      0
      • FreeOpen Source
      • Windows
      • Linux
      • Android
      • iPhone
      • iPad
      • 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.
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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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    5. zathura is a highly customizable and functional PDF viewer based on the poppler rendering library and the gtk+ toolkit.
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    6. Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file.
      This alternative is disputed. Skim is still a legitimate alternative to Okular, but it might have issues that some users think are important.
      • FreeOpen Source
      • Linux
      Read the books you love without having to worry about different format complexities like epub, pdf, mobi, cbr, etc. Features - EPUB - PDF - MOBI - CBR - CBZ
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    Showing 10 of 31 alternatives