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Wino Mail vs The Bat!: catalog facts
Wino Mail	The Bat!
Free The software is free under its open-source licence. Hosting, hardware and external…	Paid Commercial software from Ritlabs; prices are not listed on the product page.
Windows	Windows
It deliberately rebuilds the simplicity of the old Windows Mail app with a Fluent interface, which the WebView-based…	Optional encryption of the local message base Blocks tracking pixels and malicious code in mail
It is a one-developer project still filling in features, and it runs on Windows only.	Windows only Commercial license required
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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 23, 2026

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