3D Slicer is an extensible platform for medical image computing, visualisation and analysis. It is designed primarily for biomedical research, medical image informatics and the development of image-guided procedures.
The application brings together image viewing, processing and quantitative analysis in an integrated graphical environment. It can work with medical scans, three-dimensional models and other scientific datasets, allowing researchers to investigate anatomical structures and combine information from different imaging methods.
3D Slicer is also a development platform for specialised imaging applications. It is intended for research use and is not itself approved as a clinical medical device.
This is free and open source software.
Key Features
- Import, export and examine DICOM images, including support for DICOMweb and traditional DICOM networking.
- Visualise medical images using 2D slice views, interactive 3D models and volume rendering.
- Segment anatomical structures using manual, semi-automatic and automated tools in the Segment Editor.
- Perform rigid and deformable image registration to align scans and other spatial datasets.
- Analyse CT, MRI, ultrasound, nuclear medicine and microscopy images.
- Define landmarks, curves, angles, planes and regions of interest for measurement and analysis.
- Support time-series and 4D imaging data, including sequences of volumes, models and segmentations.
- Process diffusion MRI data and visualise white-matter fibre pathways using tractography extensions.
- Use artificial intelligence extensions for automated anatomical segmentation and image analysis.
- Connect to surgical navigation systems, tracking devices and ultrasound scanners for image-guided research.
- Export three-dimensional surface models for further processing and 3D printing.
- Extend functionality with specialised modules covering radiotherapy, morphometrics, virtual reality and other research disciplines.
- Automate workflows using the integrated Python console and custom Python or C++ modules.
- Cross-platform support – runs on Linux, macOS, and Windows.
Website: www.slicer.org
Support:
Developer: The Slicer Community
License: 3D Slicer License v1.0

3D Slicer is written in C++ and Python. Learn C++ with our recommended free books and free tutorials. Learn Python with our recommended free books and free tutorials.
Related Software
| Medical Imaging Software | |
|---|---|
| 3D Slicer | General purpose biomedical software with visualization and analysis |
| XMedcon | Medical Image Conversion Utility |
| Weasis | Multipurpose standalone and web-based DICOM viewer |
| OHIF Viewer | Browser-based medical imaging viewer |
| MRIcroGL | Provides tools for 2D and 3D display of medical images |
| GATE | Numerical simulations in medical imaging and radiotherapy |
| dcm4che | DICOM implementation in Java |
| AMIDE | A Medical Imaging Data Examiner |
| InVesalius | Generate 3D medical imaging reconstructions |
| SMILI | The Simple Medical Imaging Library Interface |
| ITK-SNAP | Multi-platform medical image segmentation application |
| ImageJ | General image processing program with DICOM support |
| MITK | Medical Imaging Interaction Toolkit |
| Starviewer | Medical imaging software fully compliant with the DICOM standard |
| Orthanc | Lightweight DICOM server |
| DicomBrowser | Inspect and edit DICOM header fields, and DICOM viewer |
| Aeskulap | Medical image viewer |
| openDICOM.NET | DICOM library project |
| kradview | DICOM viewer |
| Ginkgo CADx | Advanced DICOM viewer and dicomizer with conversion functionality |
Read our verdict in the software roundup.
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