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