Letter to Yourself - Send a physical letter to your future self
PicCollage - PicCollage is an exquisite photo editing app developed and published by Cardinal Blue Software.
Future Me - Send an email to your future self
PhotoSquared print + stick pix - PhotoSquared Print + Stick Pix is one of the best alternatives to Mixtiles that allows you to print and display your favorite photos on canvas boards effortlessly.
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.
Mixtiles - Mixtiles is a photography application that turns your photos into self-adhesive wall art.