SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
Recurrr - Send recurring emails
Veloxy - A sales enablement app. Your calendar on steroids!
FollowUpThen - The simplest way to schedule an email reminder
Closer - Digitize your sales team | Video calls for sales