OHIF

Runs entirely in the web browser without plugins or local installations, enabling easy access across devices and reducing IT overhead.

Built on a modular extension system that allows deep customization and private feature additions without forking, as highlighted in the 'Built to Adapt' section.

Handles multiple medical imaging formats including DICOM, PDFs, RTSTRUCT, segmentations, and video, with 2D, 3D, MPR, and volume rendering capabilities.

Served as the basis for many FDA-cleared viewers, backed by a collaborative community and sponsored contributions from academic and commercial organizations.