Penguin Mail

Mail and calendar for Linux

Internet & CommunicationFree software· GPL-3.0-or-later
Arch Linux (recommended)Standard: Stable Other builds: Bin

Screenshots & videos

About

Penguin Mail reads Gmail, Outlook.com and Microsoft 365 accounts, and any IMAP or POP3 account with SMTP, such as Fastmail, iCloud and Yahoo, and finds the server settings for you. It syncs from the system tray, shows your accounts in one inbox or one at a time, and keeps your mail on your own computer. - One inbox for every account, with Gmail's categories, Outlook's Focused and Other tabs, labels and search - A calendar with Google Calendar, Outlook and any CalDAV server: Day, Week, Month and Agenda views, invitations answered in the mail, and reminders - Contacts from Google, Outlook and any CardDAV server - A composer that shows formatting as you write, with Undo Send and Send Later - Flags in seven colors, VIPs, smart mailboxes and reminders - Rules and automatic replies for every account, kept on Gmail, Outlook or a Sieve server, or run by the app on its own - Plus addresses to give out instead of your own - OpenPGP and S/MIME signing and encryption through your own GnuPG - Remote images blocked until you ask for them - An assistant that runs on a local model or on Claude, off until you pick one - Every control named for screen readers and reachable from the keyboard Adding a Gmail or Microsoft account takes one sign-in in your browser. Penguin Mail is built with GTK and libadwaita and fits best on GNOME, but it runs on any Linux desktop.

Additional information

Project

Publisher
David Santos
License
GPL-3.0-or-later (free software)What this license lets you do

Install

Available via
Snap · Arch Linux (2)
All 3 packagings

Snap Store (Nightly build), AUR, AUR (Bin build)

About this data

Sources
3 independent sources agree
Catalog data as of
October 12, 2026
How each source lists it (3)
SourceNameVersionBuilt byLicenseDescription
Snap Store (Nightly build)Penguin Mail1.0.7—GPL-3.0-or-laterMail and calendar for Linux
AURpenguin-mail1.0.7-1—GPL-3.0-or-laterMail and calendar for Linux. Gmail and IMAP accounts, Google Calendar, contacts, OpenPGP and S/MIME
AUR (Bin build)penguin-mail-bin1.0.7-1Community repackGPL-3.0-or-laterMail and calendar for Linux (prebuilt binaries from the GitHub release)

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