Crypto Bar - Open-source menu bar app for cryptocurrencies prices
Letter to Yourself - Send a physical letter to your future self
Bitdock - Track cryptocurrency price index in the MacOS menu bar
Future Me - Send an email to your future self
Cryptobroom - Coin recommendations based on sentiment, TA, trend, and news
Letter to my future self - Letter to my future self is a prominent email scheduling service that gives you the opportunity to create a letter with goals and thoughts for your future self and schedule a date for sending it.