# Mail (open-source email and calendar app)

> 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 20 MB of RAM. It has 1,266 GitHub stars and is released under the AGPL-3.0 license.

Email, made fast again Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/flectar/mail |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 1,266 |
| License | AGPL-3.0 (open source) |
| Replaces | n/a |
| Language | Rust |
| Website | none listed |
| Official | yes (published by the project behind the app) |
| Category | Email & calendar |
| Latest release | v0.1.0-alpha.6 (Sep 15, 2026) |
| Last commit | Sep 30, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/flectar/mail/releases) or website, or build it from source by following the README.

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