Mailspring - Mailspring is a mail client for Mac, Windows and Linux.

Teem - Cloud-based meeting room booking system

Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

AgilQuest - AgilQuest is a powerful workspace and meeting room booking software that delivers organizations with a central platform from which to find and reserve conference rooms.

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.

MeetingRoomApp - The best meeting and conference room booking system with a number of unique functions for effective meeting management and optimization of company processes.