Sioyek is a PDF viewer with minimal interface optimized for reading research papers and technical books.




Comments about Sioyek as an Alternative to Adobe Acrobat Reader

- Sioyek is Free and Open Source
Adobe Acrobat Reader is described as 'View, annotate, and collaborate on PDFs, utilize cloud storage and freehand tools. Upgrade for editing and converting to other formats' and is a very popular PDF Reader in the office & productivity category. There are more than 100 alternatives to Adobe Acrobat Reader for a variety of platforms, including Windows, Web-based, Linux, Mac and Android apps. The best Adobe Acrobat Reader alternative is SumatraPDF, which is both free and Open Source. Other great apps like Adobe Acrobat Reader are Okular, Foxit PDF Reader, Evince and Firefox PDF Viewer (PDF.js).
Sioyek is a PDF viewer with minimal interface optimized for reading research papers and technical books.








Much more simpler UI, it has all you'd need to open and view pdf files without any kind of registration or tracking or any ads

Create, Convert, Review and Edit PDF Documents on Windows, macOS, and Linux.




it has ability to paste highlighted text in comment automatically like adobe acrobate pro or foxit pdf reader.

A document viewer for the GNOME desktop. You can view, search or annotate documents in many different formats.


The top AEC PDF app to markup and manage drawings and documents. Ideal for replacing pen and paper, avoid printing documents again by using our intuitive feature set that makes marking up a PDF easy. Open or create a new PDF, markup using our extensive array of tools, then save...




Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.



Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.


PDF 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.

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.

Anything written using the beautiful Qt SDK (or better yet with the KDE SDK) is awesome, and it's a tabbed PDF viewer! It's sweet!
Really fast, many options with keybindings.

This alternative is disputed. qpdfview is a legitimate Adobe Acrobat Reader alternative, but it might have issues that some users think are important.
In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.

it is proprietary and I ask for open source app

Some users think Chrome PDF Viewer Plug-in is a great Adobe Acrobat Reader alternative, some don't.
With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere. Books, movies, maps, pictures; GoodReader puts it all in a single app, right in your pocket.



PDF Viewer Pro is a fast and beautiful app, allowing you to view, search, and annotate PDF documents with ease on your iPhone and iPad.



It's a minimalist PDF reader for programmers and other such nerds. Includes dark mode, keyboard navigation, and a minimalist UI that allows for great focus.