ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁
Sketch Mirror - Preview your iOS designs directly on your devices
MakeBizCards - Easy to use web-app for designing your own business card.
Crystal: Sketch Mirror for Android - Crystal: Sketch Mirror for Android is an application that is designed for viewing your sketch designs in real-time, navigate prototypes and download content related to the sketches for offline viewing.
BP Business Card Designer - Design and print your own business cards.
Flowkit - Sketch library for user flows/content maps/annotations