Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
Thankbot - Drive more business with handwritten notes
Felt for iPhone - Handwritten cards for the modern world
Punkpost - Send handwritten cards as quick as texting
Handwriting.io - Real handwriting without the pen – no robots, all software
Inkpact - Send genuine handwritten messages in just a few clicks