SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.
cointop - An interactive terminal app for tracking cryptocurrencies
Recurrr - Send recurring emails
Bitdock - Track cryptocurrency price index in the MacOS menu bar
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.
Crypto Tracker - Never miss an opportunity to invest in bitcoins & ether