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Wino Mail vs Mailbird: catalog facts
Wino Mail	Mailbird
Free The software is free under its open-source licence. Hosting, hardware and external…	Paid Paid desktop app, sold as a one-time or subscription license.
Windows	Windows, macOS
It deliberately rebuilds the simplicity of the old Windows Mail app with a Fluent interface, which the WebView-based…	Unifies multiple email accounts and providers into one inbox App integrations reduce the need to switch to separate tools
It is a one-developer project still filling in features, and it runs on Windows only.	Windows and macOS only Full feature set requires a paid license
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is 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 September 22, 2026

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