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Supermium vs ungoogled-chromium: catalog facts
Supermium	ungoogled-chromium
Free Free to download from its GitHub repository.	Free Free and open source, maintained by volunteers who also build the binaries.
Windows	Windows, macOS, Linux
Current Chromium engine on Windows XP through Windows 8.x Tracks recent Chromium versions	Google web service calls are removed rather than switched off in a settings page Stays a drop-in Chromium, so sites and developer tools behave as expected
Windows only Maintained by a small team, so security fixes may lag behind Chrome	Extensions must be installed by hand; there is no store connection Binaries are built by volunteers and can lag the upstream Chromium release
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: BSD-3-Clause
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.