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

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