Inkly - send real printed cards with your own handwriting inside
Felt for iPhone - Handwritten cards for the modern world
Skip The Stamps - Snap or upload a pic to send a physical postcard in minutes
Thankster - Automagically send hand written cards
Pitch Cards - I've 99 problems and I'm ready to pitch one!
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.