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DuckDuckGo Browser vs LibreWolf: catalog facts
DuckDuckGo Browser	LibreWolf
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the MPL 2.0, maintained by volunteers.
Windows, macOS, Android, iOS	Windows, macOS, Linux
Tracker and ad blocking, cookie consent handling and email tracker removal are on by default rather than being…	Deletes cookies and website data on close by default Ships uBlock Origin with custom default filter lists and strict tracking protection
The desktop version is Windows and macOS only, and the extension support is far narrower than Chrome or…	The aggressive defaults break some sites and log you out every time you close the browser Resist Fingerprinting changes timezone and window size reporting, which confuses a few web apps
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: MPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

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