Iris - The fastest web framework for Go in (THIS) earth
Mailspring - Mailspring is a mail client for Mac, Windows and Linux.
Citizen - Stay safe with instant alerts about nearby crime
Geary - Geary is an email application built for GNOME 3.
Guardians - A safety app for women
The Bat - The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.