Gmail의 오픈소스 대체

Beautiful open-source email client for Mac, Windows and Linux. — :love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

↔ 대체: Gmail

End-to-end encrypted email with calendar and contacts — Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

↔ 대체: Gmail、Outlook、ProtonMail

Declarative Gmail filters configuration tool — Declarative configuration for Gmail filters

↔ 대체: Gmail