Drip Scripts - Create automated email sequences in 60 seconds
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
Campaign Genius - Send dynamic email content through any platform, instantly.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
Polymail Sequences - Simple, powerful multi-stage email campaigns
MailClark - The Slack bot for external communications