HandUp Gift Cards - Give directly to a homeless neighbor on the street
Felt for iPhone - Handwritten cards for the modern world
Giftcard Zen - Buy a gift card at a discount
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
Giftbit Payment API - Stripe for gift cards
Token - One ring to replace your keys cards and passwords