EmailGreen - EmailGreen is a web-based email marketing and comprehensive CRM solution that is created to help organizations and companies manage their contacts and execute all the valuable campaigns as well as optimize social media channels among other so they c…

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

mailmark - Send emails and know when they were opened. Keep detaile email logs to who they were sent and when.

MailClark - The Slack bot for external communications

iTrackmail - Want to know if people are reading the emails you send?

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