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ungoogled-chromium vs Helium: catalog facts
ungoogled-chromium	Helium
Free Free and open source, maintained by volunteers who also build the binaries.	Free Free and open source, supported by sponsors.
Windows, macOS, Linux	Windows, macOS, Linux
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	Ad, tracker and cookie banner blocking on by default No telemetry or background requests without consent
Extensions must be installed by hand; there is no store connection Binaries are built by volunteers and can lag the upstream Chromium release	Younger project than established privacy browsers Built on Chromium, so it follows Google's engine decisions
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: GPL-3.0
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.