Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
Future Me - Send an email to your future self
Felt for iPhone - Handwritten cards for the modern world
Letter to Yourself - Send a physical letter to your future self
Inkpact - Send genuine handwritten messages in just a few clicks
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.