SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.
Infor ERP - An ERP suite for the manufacturing & distribution industries
Recurrr - Send recurring emails
Epicor Kinetic - Epicor ERP is a global enterprise resource planning solution.
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.
Adempiere - ADempiere is a commons-based peer-production of Open Source ERP Applications.