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penguin-mail logo

penguin-mail

★ 159

A self-hosted alternative to Google Calendar

GNU General Public License v3.0Open Source — No Paywall1+ active committer (12mo)

About

Penguin Mail is a desktop mail and calendar application for Linux, implemented in Rust with GTK and libadwaita. It is designed for people who want a unified inbox and calendar experience across...

Community Ratings

No ratings yet
All accounts in one inbox, with a reply open and its quoted history foldedAn Outlook.com inbox with Focused and Other, and the account's tags in the sidebarThe calendar's week, with working hours shaded and each day's locationThe calendar's month, with a bar across the days of a tripThe calendar's agenda, one line per eventAn invitation in a message, with the hours around the meetingAn event's details, guests and answersThe inbox in dark modeReplying in the composerThe phone-width layoutThree conversations selected, with bulk actionsThe automatic reply dialogA conversation flagged blueA VIP in the sidebar and the listThe assistant listing mail that waits on a reply

Features

  • Multiple inbox views
  • Conversation threading
  • Gmail search
  • Junk, trash, and all mail views
  • Markdown composer
  • Undo Send
  • Send Later
  • Outbox retry
  • Templates
  • Spelling check

Details

Last Updated
Oct 7, 2026
Created
Sep 19, 2026
Requirements
LinuxGTKlibadwaitaGnuPGWebKitLM Studio, Ollama, or an OpenAI-compatible server (for assistant use)Anthropic API key or Claude subscription (for assistant use)Brave Search or SearXNG (for local-model web search)
Minimum Requirements
RAM: 55 MB
Authentication
localoauth
Backup & Export
native-exportfile-backup
Privacy & Independence
Cloud: OptionalOffline Capable
Deployment

Deployment: no container deployment found

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Metadata extracted from README on Oct 7, 2026

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