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
Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
Instantly - Build your own infinitely scalable cold email outreach system with Instantly.
Nylas Mail - The Nylas Cloud API powers your application with email, calendar & contacts features. Built-in features for better email, calendar, and contact management.
Snov.io - Sales engagement on autopilot.