Free & open source · Windows, macOS, Linux

All your inboxes. One calm window.

RMail is a fast, private desktop mail client. Bring every IMAP and Gmail account into a single unified inbox, keep it cached on your own machine, and let the tray icon tell you when something new arrives.

v0.1.26 · 5.5 MB · MIT licensed

RMail unified inbox showing messages from three accounts
< 6 MBWindows installer
Rustengine and shell
Localcache on your device
MITfree forever

Mail that respects your time.

A focused client that does the everyday things quickly and keeps your data in your hands.

01

One unified inbox

Read messages from every account in a single list, or open an account's own folder tree. Rename accounts to whatever makes sense to you.

02

IMAP, SMTP and Gmail

Connect any standard mail provider with a password, or sign in to Gmail with OAuth 2.0 and PKCE. No app passwords required.

03

Cached locally

Mailboxes, messages, bodies and drafts live in a local SQLite cache, so your mail opens instantly and you can clear it any time.

04

Tray and notifications

Close to the tray, see an unread badge on the icon, and get desktop notifications per account, with a sender mute list for the noisy ones.

05

Reply the right way

Reply, reply all and forward with quoted text and proper threading headers. Reply honors the Reply-To address and skips your own.

06

Safe by design

Passwords and tokens stay in your OS keychain. HTML mail renders sanitized in a sandboxed frame, and links open in your browser.

Reply all with quoted text
Reply all. Quoted text, Cc filled in, and your own address left out.
RMail settings
Make it yours. Themes, background checks, tray, startup and per-account options.

Download RMail

Version v0.1.26. Pick your platform, install or unzip, and you're done.

Windows

Windows 10 and 11, 64-bit

macOS

Universal: Intel and Apple Silicon

Linux

Debian, Ubuntu, Fedora and any distro

Builds are not code-signed yet, so Windows SmartScreen and macOS Gatekeeper warn on first launch. Windows: More info, then Run anyway. macOS: right-click the app, then Open.

Ready when you are

Open source and free of ads, trackers and accounts.