Open Source SumatraPDF Alternatives
The best open source alternative to SumatraPDF is Okular. If that doesn't suit you, our users have ranked more than 50 alternatives to SumatraPDF and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to SumatraPDF are Evince, MuPDF, Firefox PDF Viewer (PDF.js) and Librera Reader.
SumatraPDF 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 SumatraPDF.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.
Okular vs SumatraPDF opinions
veruzianIf you want a basic PDF viewer, this will probably fit the bill. It's simple and ligthweight. I used to use Foxit Reader, and found Okular to be a good FOSS replacement.
Because both programs are design to see documents.
- Free • Open Source
- Linux
- PortableApps.com
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.
Evince vs SumatraPDF opinions
is open source, and simple
not even close to SumatraPDF!
evince is the best and now!
HolyIt has thumbnails. Renders faster. But it's a little bit less stable and no updates for Windows for a long time
- Free • Open 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.
MuPDF vs SumatraPDF opinions
While the MuPDF library is very lightweight, this reader is more a proof of concept than a lightweight GUI. The MuPDF download is about 70 Mb, Sumatra is less than 10.
This is the core application within SumatraPDF so should be faster but with limited menus
- Free • Open Source
- Mac
- Windows
- Linux
- Google Chrome
- Opera
- Firefox
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.
Firefox PDF Viewer (PDF.js) vs SumatraPDF opinions
It cant run securely outside of the browser as SumatraPDF does so is not a viable alternative
This is a PDF reader built into Firefox, not a standalone application.
Firefox PDF viewer is a browser extension not a desktop app it is in wrong category
- Freemium • Open Source
- Android
- Android Tablet
- F-Droid
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.
Librera Reader vs SumatraPDF opinions
It cant run on Windows as SumatraPDF does so is not a viable alternative
Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .
Document Viewer vs SumatraPDF opinions
It cant run on windows as SumatraPDF does so is not a viable alternative
Because its open source and light weight
- Free • Open Source
- Linux
- Android
- Android Tablet
Cool Reader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Understands a number of text document formats, suppurt OPDS (in new ui-opengl version).
Cool Reader vs SumatraPDF opinions
Last time I tested it could not read any PDFs as SumatraPDF does so is not a viable alternative
its good for a lot of formats to read
- Free • Open 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.
Skim vs SumatraPDF opinions
It cant run on Windows as SumatraPDF does so is not a viable alternative
- Free • Open 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.
zathura vs SumatraPDF opinions
It cant run on Windows as SumatraPDF does so is not a viable alternative
Minimal user interface, keyboard-driven and a delight to use. However, it requires some time to get used to.
- Free • Open Source
- Linux
- Android
- Kobo
- PocketBook Reader
- Kindle Fire
KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.
No screenshots yetKOReader vs SumatraPDF opinions
It cant run on Windows as SumatraPDF does so is not a viable alternative