Thankbot - Drive more business with handwritten notes
WeShelter - Unlock a donation when you pass a homeless person in NYC
Felt for iPhone - Handwritten cards for the modern world
TAP London - Tackling the homeless problem together
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
Catchafire - Use your professional skills to help charities