Felt for iPhone - Handwritten cards for the modern world
DonatePal - The new way to donate to charities
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
microChange - Snapchat-Venmo hybrid for donating.
Token - One ring to replace your keys cards and passwords
Simple Donation - People give more on simple forms.