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Sioyek

sioyek · v2.0.0 • deprecated

7
8.0

PDF viewer designed for reading research papers and technical books

brew install --cask sioyek
330
30-day installs
1.2K
90-day installs
2.8K
365-day installs
Install trend
Trust Score 7/10
Open source (GPL-3.0) +3
Active development +2
Licensed +1
No auto-updates +0
Deprecated +0
Established (>1yr) +1
Low installs +0

Review

Mar 10, 2026

Sioyek is a specialized PDF viewer designed for reading research papers and technical books, offering features like annotation, note-taking, and a distraction-free interface. It benefits researchers, students, and professionals who need a focused environment for academic content.

Sioyek is a PDF viewer tailored for reading research papers and technical documents, providing tools to enhance focus and productivity.

Maturity: The project is mature with active development and a strong open-source community backing it.

Community: Sioyek has significant discussion on Hacker News, with positive reception and high engagement. No mentions found on Reddit.

Pros

  • + Specialized for academic and technical content
  • + Open-source with an active community
  • + Cross-platform support
  • + Annotation and note-taking features
  • + Distraction-free reading interface
  • + Regular updates and feature improvements

Cons

  • - No auto-updates available for macOS
  • - Limited community discussion outside Hacker News
9.1k
Stars
313
Forks
292
Issues
GPL-3.0
License
CLast commit: Feb 21, 2026