Funnster - The best way to get together with your friends and family
Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
Circus - Fastest way to see who's going out and where they are going
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
Gmail - Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.
MailClark - The Slack bot for external communications