Gyft is offering a FREE $5 credit with any purchase for a limited time. Some exclusions apply, including Amazon gift cards and purchases made with Bitcoins. The $5 credit can be used towards a future gift card purchase.

Gyft is a digital gift card platform that lets you manage all your gift cards on place. You can ditch the plastic and use your mobile device to store, send, and redeem cards. They have apps for both iOS and Android.