Future Me - Send an email to your future self
WING - A phone carrier that is actually nice to you.
Letter to Yourself - Send a physical letter to your future self
Facetune - Facetune is a fun and powerful portrait & selfie photo editor!
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.
Zoho Notebook - The most beautiful note-taking app across devices.