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About

Horos is a free, open source medical image viewer for macOS designed to support the medical imaging community with a fully functional, 64-bit DICOM viewer. Built on OsiriX 5.8, Horos is intended for research, education, and non-diagnostic medical imaging use. It supports a wide range of DICOM files and includes powerful tools such as 2D/3D multi-planar reconstruction, surface and volume rendering, and maximum intensity projection. Horos enables users to view, import, and export studies, measure anatomical structures, annotate images, and apply filters or adjustments for better visualization. It also offers anonymization tools, DICOM Query/Retrieve from PACS servers, and support for plugins and scripting for advanced customization. The interface is intuitive and adaptable for both novice and experienced users, with integration options for teaching files and educational workflows.

About

ReadYourLab is a DICOM viewer that reads raw CT and MRI scan files for free. AI-assisted features analyze scans quickly and help explain medical terminology. You can ask questions about the scans, and ReadYourLab’s explanations aim to support you in understanding your body and preparing questions for your clinician. Specifications: Your CT scan & MRI scan are evaluated by MedGemma 1.5 from Google Research. This is a specialized 4-billion-parameter medical AI built on Gemma 3, with a medically-tuned vision encoder (MedSigLIP) trained on de-identified medical imaging data. It reviews every slice of your scan as a complete 3D volume — just like a radiologist would. - Full 3D volumetric analysis of CT and MRI DICOM series - Understands MRI sequences: T1, T2, FLAIR, DWI, contrast-enhanced - Trained on medical imaging datasets including MIMIC-CXR and ChestImaGenome - 128K token context window for processing large scan series

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Research, education, and medical imaging professionals requiring a solution that provides advanced visualization tools and PACS integration

Audience

This is for personal use, for individual patients and their families

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 3.0 / 5
ease 4.0 / 5
features 3.0 / 5
design 4.0 / 5
support 2.0 / 5

Reviews/Ratings

Overall 2.5 / 5
ease 3.0 / 5
features 3.0 / 5
design 3.0 / 5
support 2.5 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Horos
United States
horosproject.org

Company Information

ReadYourLab
Founded: 2026
Hungary
readyourlab.com

Alternatives

OsiriX

OsiriX

OsiriX MD

Alternatives

MedGemma

MedGemma

Google DeepMind
Athena DICOM Expert

Athena DICOM Expert

Medical Harbour
Pro Surgical 3D

Pro Surgical 3D

Stratovan

Categories

Categories

Integrations

No info available.

Integrations

No info available.
Claim Horos and update features and information
Claim Horos and update features and information
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Claim ReadYourLab and update features and information