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cornerstonejs/cornerstone3D

Cornerstone is a set of JavaScript libraries that can be used to build web-based medical imaging applications. It provides a framework to build radiology applications such as the OHIF Viewer.

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What it does

Cornerstone3D is an open-source toolkit that lets developers build medical image viewing applications directly in a web browser, handling everything from displaying X-rays and MRI scans to advanced tools like segmentation and annotation. It's the foundation powering OHIF Viewer, one of the most widely used open-source radiology platforms in healthcare.

Why it matters

With nearly 200 contributors and backing from the Open Health Imaging Foundation, this is the de facto open-source standard for browser-based medical imaging — meaning any startup building radiology, diagnostics, or clinical workflow tools can skip years of infrastructure work by building on top of it. For investors, the project's adoption signals a maturing ecosystem around web-native healthcare software, where incumbents with legacy desktop software are increasingly vulnerable to modern challengers.

39Active

On the radar — signal detected

Stars
1.0k
Forks
474
Contributors
197
Language
TypeScript

Score updated Mar 12, 2026

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