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Open Source Google Docs Viewer Alternatives

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

Google Docs Viewer alternatives are mainly PDF Readers but may also be eBook Readers or PDF Editors. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Google Docs Viewer.
This page was last updated Jul 1, 2022
  • FreeProprietary
  • Online

With Google Docs Viewer, you can quickly view many file types online, including PDFs, Microsoft Office files, and many...

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  1. Sumatra PDF is a free PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) viewer for Windows.

  2. Multi-platform, fast and packed with features, Okular allows you to read PDF documents, comics and EPub books, browse images, visualize Markdown documents, and much more.



  3. Evince (or GNOME Document Viewer) 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) and others. See Supported Document Formats for details.

  4. MuPDF

    • FreeOpen Source
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • F-Droid
    • 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.

  5. 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.



  6. 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.

  7. Document Viewer

    • 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 .

  8. Skim

    • FreeOpen Source
    • Mac

    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.

  9. zathura

    • FreeOpen Source
    • Mac
    • Linux
    • BSD
    • MacPorts
    • Homebrew

    zathura is a highly customizable and functional document viewer based on the poppler rendering library and the gtk+ toolkit.

  10. qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added via plugins.

Showing 10 of 21 alternatives