Sketch Mirror - Preview your iOS designs directly on your devices
ABBYY Business Card Reader - Scan cards ≡ in a second and manage them everywhere ☁
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.
Sansan - Sansan provides a internal contact sharing service for companies.
Flowkit - Sketch library for user flows/content maps/annotations
Haystack - Your new business card.