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Mail

Mail is a free, open-source email and calendar app for Windows, macOS and Linux. Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 80 MB of RAM. It has 1,668 GitHub stars and is released under the AGPL-3.0 license.

github.com/flectar/mail (opens in a new tab)

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About Mail

English · Español · Deutsch · Français · Português (Brasil) · Русский · हिन्दी · العربية · 简体中文 Email, made fast again Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 80 MB of RAM.

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FAQ

Mail FAQ

Still curious? Email info@appsgit.com.

Is Mail free and open source?

Yes. Mail's source code is public on GitHub under the AGPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Mail?

Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v0.1.0-alpha.7).

Is Mail still maintained?

The repository's most recent commit was on Oct 26, 2026. appsgit only lists apps whose repository had a commit in the last six months.