Weasis
Weasis is an open-source DICOM medical image viewer used by radiologists, clinicians, and healthcare IT professionals to view, analyze and process medical imaging studies including X-rays, CT, MRI and ultrasound. It supports advanced features like multi-planar reconstruction, volume rendering, image comparison and integration with PACS (Picture Archiving and Communication Systems) servers. Weasis runs natively on Windows, macOS and Linux without requiring Java or additional frameworks, though certain graphics capabilities are needed for advanced 3D rendering.
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1 suggestionWeasis officially ships native builds for both Intel and Apple Silicon macOS via Homebrew. Version 4 and later (the current maintained release line) provides "native installers" with full support for Apple Silicon. If you are running an older Intel-only build, the simplest upgrade path is through Homebrew: open Terminal and run `brew install weasis`, or if already installed, `brew upgrade weasis`. This will pull the native Apple Silicon build automatically. Alternatively, download the latest installer directly from weasis.org/en/getting-started/download-dicom-viewer/ — the macOS native installer listed there covers Apple Silicon. Since Weasis version 4 is actively maintained and the vendor explicitly emphasizes native builds, you have a clear upgrade path and no risk from the September 2028 Rosetta 2 removal.
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