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Sioyek

Sioyek is a free, open-source PDF tool for Windows, macOS and Linux. Sioyek is a PDF viewer with a focus on textbooks and research papers. It has 9,968 GitHub stars and is released under the GPL-3.0 license, and people use it instead of Adobe Acrobat Reader.

github.com/ahrm/sioyek (opens in a new tab)

Data as of from the GitHub API; description from the project's repository. Report an error

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About Sioyek

Sioyek is a PDF viewer with a focus on textbooks and research papers. A: If you are building the development branch you need to use Qt 6.7 or 6.8.

Install Sioyek

Package names found in the project's README. Each links to its package page so you can check the publisher first.

Flathub (Linux)
flatpak install flathub com.github.ahrm.sioyek

Package page (opens in a new tab)

Homebrew (macOS)
brew install --cask sioyek.

Package page (opens in a new tab)

AUR (Arch Linux)

sioyek on the AUR (opens in a new tab)

Replaces

Commercial software people commonly use Sioyek instead of.

  • Adobe Acrobat Reader

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FAQ

Sioyek FAQ

Still curious? Email info@appsgit.com.

Is Sioyek free and open source?

Yes. Sioyek's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Sioyek?

Flathub: flatpak install flathub com.github.ahrm.sioyek, Homebrew: brew install --cask sioyek. and the AUR package sioyek. The commands are on this page. Installers are also on its GitHub Releases page (latest: v2.0.0).

Can Sioyek replace Adobe Acrobat Reader?

Sioyek is commonly used as a free alternative to Adobe Acrobat Reader. Features differ, so check that it opens the file formats and covers the workflows you rely on before switching.