Sioyek is a PDF viewer with minimal interface optimized for reading research papers and technical books.
United States
+2
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.
Alternatives list
203 Kavita alternativesLightning fast with a slick design, Kavita is a rocket-fueled self-hosted digital library which supports a vast array of file formats. Install to start reading and share your server with your friends. book reader, self hosted, manga, comics, free, manhwa, e readers, electronic...
+4
118 Skim alternativesPDF viewer for macOS supports scientific papers, annotations, highlights, bookmarks, split view, exporting notes, AppleScript, multiple annotation types, bibliography integration, full-screen, search, and compatibility with various macOS versions.
Discover uRead, your ultimate companion for reading and listening! Whether you’re a casual reader or a book enthusiast, uRead transforms your experience with advanced features and a user-friendly design.
+5
102 Secure PDF Viewer alternativesSimple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.
Canada
150 Paperwing alternativesA free, open-source alternative to Adobe Acrobat for Windows and macOS. Built on BentoPDF.
- United States
+5
98 Papers alternativesA document viewer for the GNOME desktop. You can view, search or annotate documents in many different formats.
- United States
181 Document Viewer alternativesDocument Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Since
- Since 2013
Alerts
- Discontinued
Germany
EU
Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
40 WinDjView alternativesWinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous scrolling and advanced printing options. It uses the free DjVuLibre library to decode DjVu documents. DjVu is a web-centric format and software platform for distributing documents...
Russia
100 Open PDF Studio alternativesOpen PDF Studio is a lightweight, native desktop application that provides professional-grade PDF annotation, markup, and editing tools without subscriptions, telemetry, or bloatware. Built with Tauri 2 and web technologies, it delivers a fast, modern experience with a Microsoft...
Netherlands- EU
+3
95 qpdfview alternativesqpdfview 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.
- Germany
- EU
