SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.

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…

Recurrr - Send recurring emails

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

Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.

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