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Horos
horos · v4.0.1
3
6.0
Medical image viewer
brew install --cask horos 230
30-day installs
708
90-day installs
1.9K
365-day installs
Install trend
Trust Score 3/10
✗ Open source (NOASSERTION) +0
✗ Active development +0
✓ Licensed +1
✗ No auto-updates +0
✓ Not deprecated +1
✓ Established (>1yr) +1
✗ Low installs +0
Review
Mar 10, 2026Horos is a free, open-source medical image viewer designed for macOS, offering support for DICOM and JPEG 2000 formats. It benefits medical professionals by providing a robust tool for viewing and analyzing medical images, integrated with other medical imaging libraries.
Horos allows users to view and analyze medical images, including DICOM and JPEG 2000 formats.
Maturity: While active, the project has a high number of open issues, indicating ongoing development and some maturation needed.
Community: Hacker News mentions suggest confusion with astrology due to the app's name, leading to potential misassociation.
Pros
- + Free and open-source under LGPL-3.0 license
- + Supports DICOM and fast JPEG 2000 image viewing
- + Integration with other medical imaging tools and libraries
Cons
- - Name may cause confusion with astrology-related apps
- - High number of open issues on GitHub
Community Mentions
hackernews
hackernews
hackernews
hackernews
hackernews
Positive sentiment Negative sentiment Neutral / unknown