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.
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There are many alternatives to Okular for Linux if you are looking for a replacement. The best Linux alternative is PdfCraft, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Okular and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Okular are LibreOffice - Draw, KOReader, Koodo Reader and Evince.
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.





Xreader is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript.
A simple PDF document viewer, in the lines of Evince but without using the Gnome libraries. ePDFView is a free lightweight PDF document viewer using Poppler and GTK+ libraries.

modern computer flatboat is a mobile pdf viewer written in Qt and using MuPDF's libfitz.

Read the books you love without having to worry about different format complexities like epub, pdf, mobi, cbr, etc.




Innovative open source JavaFX PDF Viewer that combines the power of JavaFX with IDRsolutions industry leading PDF library to deliver a complete cross-platform PDF Reader/Viewer.

An elegant PDF tool for editing, filling, annotating, and sharing documents from any device. Add text, shapes, images, and signatures, with flexible workflows that work naturally across Mac, Windows, Linux, the web, iOS, and Android.




Jumpdf is a keyboard-focused PDF viewer for documents where one needs to jump between different sections of the document frequently.






Free desktop PDF reader and word processor for Windows and Linux: read, annotate, fill in and redact PDFs, and write documents saved as PDF or Word, offline.


