Stamp is an open-source mail/contact/calendar suite application for Linux.
The project provides a complete mail client with integrated contact and calendar functionality. It features a modern UI built on GTK4, using WebKit for content rendering, and supports features like account management, email signatures, pgp/smime signed and encrypted mails, BIMI support and more….
Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/