Salem Group partnered with Notu to develop a peer-to-peer business card mobile app using NFC technology. The app allows users to instantly share their information by tapping their Notu business card to a smartphone. Dart was used for app development, ensuring a seamless user interface across iOS and Android. Node.js and MySQL handled the app’s backend operations. The app has successfully promoted sustainability by eliminating the need for paper business cards. Users appreciate the convenience and efficiency of the app, and it has received industry recognition for its innovative approach to contact information exchange.