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

Intercom for mobile apps - A better way to connect with mobile users

Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.

OpsGenie - Alerting and On-Call Management for Dev&Ops Teams

Nylas Mail - The Nylas Cloud API powers your application with email, calendar & contacts features. Built-in features for better email, calendar, and contact management.

Userfeed - Product feedback made for Intercom