ManyChat - ManyChat lets you create a Facebook Messenger bot for marketing, sales and support.
Future Me - Send an email to your future self
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
iDoneThis - iDoneThis The fun, easy way to get stuff done. Every day we’ll email your team to ask, “What’d you get done today?” Just reply to our email. The next day, everyone gets an email with the team's accomplishments
Letter to Yourself - Send a physical letter to your future self