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Ladybird vs Zervo: catalog facts
Ladybird	Zervo
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the MPL-2.0 licence.
macOS, Linux	Windows, macOS, Linux
Develops its web engine separately from Chromium and Firefox.	Uses Servo rather than Chromium or Gecko Sidebar workspaces with several layouts
The project describes the browser as pre-alpha and suitable for developers.	Some sites do not work because Servo is incomplete Linux and Windows builds are untested
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License: MPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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