Penguin Mail is a mail and calendar app for Linux and macOS that brings Gmail, Microsoft and any IMAP, POP3 or JMAP account, plus your calendar and contacts, into one fast application on your own computer. It is free software under GPL-3.0-or-later, keeps syncing from the system tray on Linux, supports Gmail categories, and includes an optional assistant that summarizes threads, drafts replies and manages your calendar.
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Read Gmail, Microsoft, Fastmail or any IMAP, POP3 or JMAP server together
See calendar and contacts without switching apps
Enable summarization, reply drafting and calendar handling only if you want it
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