SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.
TitanMLM - TitanMLM is a modern multi-level marketing management software that allows businesses to manage their operations from a single platform.
Recurrr - Send recurring emails
Swift Social - All-in-One Social Media Growth and Management Tool
FollowUpThen - The simplest way to schedule an email reminder
Falcon.io - Falcon.io provides a platform for social marketing & customer experience management.