Letter to Yourself - Send a physical letter to your future self
PastBook - PastBook is an online service that allows you to create your own beautiful photobooks and share them with friends and family.
Future Me - Send an email to your future self
Timehop - Your digital life history
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.
Optimalprint Photo Book Series - Beautiful, automatic & sustainable photo books