"Postcard is a new email client for GNOME, built with AI"
"The app is the work of a solo developer, gxanshu on GitHub, who is upfront about using AI coding tools to bring this “modern mail client” to life. Postcard is a new email client for GNOME sporting a modern design reminiscent of Geary."
https://www.omgubuntu.co.uk/2026/08/postcard-gnome-email-client