Horos Project
A free, open source medical image viewer.
Overview
The Horos Project provides a free, open-source medical image viewer for macOS. It is based on OsiriX and other open-source libraries and is intended for use in medical research and education. While it is a powerful viewer with features like MPR, 3D rendering, and a plugin architecture, it is not a full PACS. It does not include cloud storage or server-side archiving capabilities out of the box, though it can connect to other PACS.
✨ Key Features
- Free and open source (FOSS)
- macOS native application
- Advanced 2D and 3D visualization tools
- Plugin architecture for extensibility
- Can query and retrieve studies from other PACS
- Anonymization tools
🎯 Key Differentiators
- Completely free and open source
- Large and active user community
- Extensible through plugins
Unique Value: Provides powerful, free, and open-source medical imaging viewing and processing tools to the global medical and research community.
🎯 Use Cases (4)
✅ Best For
- Academic research and teaching in medical imaging
- Secondary review station for radiologists
💡 Check With Vendor
Verify these considerations match your specific requirements:
- As a primary, standalone PACS for a clinical practice (lacks archiving and workflow)
- Windows or Linux users
🏆 Alternatives
Unlike its predecessor OsiriX, Horos remains fully free and open source, fostering a larger community of contributors and users.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
🔒 Compliance & Security
💰 Pricing
Free tier: Full software is free
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