Yesware - Sell smarter with email tracking and more
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
Mixmax - At Mixmax, our mission is to change how the world communicates. We’re an email productivity platform that helps sales, customer success, and recruiting teams do their jobs better.
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
FollowUpThen - The simplest way to schedule an email reminder
MailClark - The Slack bot for external communications