Future Me - Send an email to your future self
Handwrite - The easiest way to send authentic handwritten cards.
Letter to Yourself - Send a physical letter to your future self
Felt for iPhone - Handwritten cards for the modern world
Letterflix - Send letters and snail mail online to the USA, Europe, India, or anywhere in the world. Letterflix is the easiest and secure way to send letters and snail mail anywhere in the world from the comfort of your home.
Thankbot - Drive more business with handwritten notes