Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
TicketPeak - Online Ticketing Software
Newton Mail - Newton is a fully featured mail client available for Android, iOS, macOS and Windows.
Audience View - Audience View is a cloud-based ticketing solution created for the performance arts industry and suitable for both profit and commercial uses.
Aqua Mail - Android Mail Client.
TicketingHub - Next generation of Ticketing