Observed arrival · 2026-11-10

Seth: an offline DICOM viewer for Mac

getseth.app Visit website

Editorial interest 83/100 Selection signal · not a rating of the site

Seth is a free, open-source Mac app for viewing medical DICOM images, including CT, MRI, X-ray, ultrasound, and mammography.

Landing page captured for the 2026-11-10 issue.

For: Mac users reviewing DICOM medical imaging
Worth noticing: A 7 MB DMG supports Apple Silicon and Intel Macs running macOS 26 Tahoe or newer.

Field notes

The page documents several concrete workflows, including vessel centerline measurements and calcium scoring that can isolate a selected vessel branch. It also lists import from folders, lab ZIPs, and DICOMDIR CDs, plus support for five compression formats. The download is identified as version 0.3.5; the site says updates preserve a library backup and offer restoration if installation fails.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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