- About Weasis
- Getting Started
- Release History
- Build Weasis
- General Features
- Connectivity & Interoperability
- Viewer Features
- Security & Quality
- Community and Support
- License
Weasis is a powerful, multifunctional, and open-source DICOM viewer designed for both standalone and web-based use. It excels in medical image visualization and is widely used by healthcare professionals and research institutions. Engineered for seamless integration with PACS and DICOM workflows, Weasis offers a reliable solution for modern medical imaging needs — from routine reading to AI-assisted review and quantitative imaging.
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See CHANGELOG
- Open source DICOM viewer under EPL 2 or Apache 2 license
- Flexible integration with PACS, VNA, RIS, HIS, or EHR (see integration documentation)
- Desktop distributions (Windows, macOS, and Linux)
- Web access through the weasis protocol
- Responsive user interface working well on high-DPI screens
- Multi-language support (20+ languages)
- Configuration of preferences on server-side and client-side, multi-level overrides (default → workstation → user)
- API for building custom plug-ins via the Weasis plug-in archetype
- Embedded DICOM viewer in CD/DVD or other portable media
- Dicomizer module to convert standard images, videos, PDFs and STL meshes into DICOM files
- AI-assisted and quantitative imaging workflows
Weasis supports every common DICOM transport and authentication standard, fitting into existing clinical infrastructure — PACS, VNA, EHR, RIS, and HIS — in two complementary ways:
- Server-side, via a gateway such as ViewerHub — recommended for clean, centralized integration: the gateway brokers PACS / DICOMweb access, handles authentication and manifest generation, and exposes a single endpoint to the viewer.