Crypto Price Tracker - An app for all your cryptocurrency needs!
SendRecurring - SendRecurring allows you to setup, send, and maintain scheduled email reminders.
Bumper - Bumper is a stripped down version of FollowUpThen, followup.
FollowUpThen - The simplest way to schedule an email reminder
LetterMeLater.com - LetterMeLater.com allows you to send emails to anyone, with the ability to have them sent at any future date and time you choose.
CryptoLogg - Shows price change of crypto since the last time you checked