Starviewer is a medical imaging application designed for viewing and analysing DICOM studies. It provides tools for examining radiological images, navigating multidimensional datasets and comparing information acquired using different imaging modalities.
The application includes a two-dimensional viewer for inspecting medical scans and a three-dimensional viewer for visualising volumetric datasets. It provides reconstruction, measurement and image manipulation tools for detailed examination of anatomical structures.
Starviewer also supports image fusion for compatible nuclear medicine studies. Combining anatomical and functional imaging information helps users investigate the relationship between structural images and metabolic activity.
The application has a modular architecture and can be integrated into healthcare imaging environments. Its functionality is intended for workflows involving DICOM studies, medical image assessment and radiological visualisation.
This is free and open source software.
Key Features
- View medical imaging studies from supported DICOM modalities.
- Navigate image series with zoom, pan, rotation, inversion and windowing controls.
- Measure distances, angles and regions of interest.
- Perform orthogonal multiplanar reconstruction.
- Generate maximum intensity projection and thick-slab views.
- Display reference lines and spatial navigation cursors.
- Synchronise image navigation between compatible series.
- Fuse PET/CT and SPECT/CT image datasets.
- Calculate standardised uptake values for supported PET studies.
- Adjust colour lookup tables and blending levels for fused images.
- Visualise volumetric images in three dimensions.
- Use ray casting, maximum intensity projection and isosurface rendering.
- Define regions to include in three-dimensional visualisations.
- Apply predefined rendering styles or configure custom colour and opacity settings.
- Use a modular architecture for extending imaging functionality.
Website: github.com/starviewer-medical/starviewer
Support:
Developer: Graphics and Imaging Laboratory, University of Girona, and Institut de Diagnòstic per la Imatge
License: GNU General Public License v3.0

Starviewer is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| Medical Imaging Software | |
|---|---|
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| MITK | Medical Imaging Interaction Toolkit |
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| Orthanc | Lightweight DICOM server |
| DicomBrowser | Inspect and edit DICOM header fields, and DICOM viewer |
| Aeskulap | Medical image viewer |
| openDICOM.NET | DICOM library project |
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Read our verdict in the software roundup.
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