We contribute to the field of Information Systems by attempting to develop a first innovative social networking application, the “SignaComm”. The SignaComm's objective is to enable multilingual communication between users worldwide for the protection of personal data on the Web. We design this application while relying on the theory of patterns as well as the principles of ontologies and signage system. The theory of patterns presents good practices for creating a model, which describes the characteristics of a generic solution to a specific problem. It permits the reuse and remodelling of patterns to serve as resources for software development and problem solving. Ontologies describe a structured set of concepts and objects by giving a meaning to an information system in a specific area, and allow the construction of relationships between these concepts and objects. The signage system is a visual communication system with an international vocation where, the “signagram” is the writing unit. When creating the SignaComm we use an automatic translation software of key-phrases into signagrams. The social networking application is written with the Python, PHP and Javascript programming languages and then tested technically. We hope that users from any culture, social environment or with disabilities could use it.