In this paper we present the development of a collaborative community using exclusively open source software. After the definition of the functional requirements of the project, we focus on finding specific software components to satisfy these requirements. The intention was to minimize the development effort and labor, relying on open source software. As a result, the platform was developed writing less than 10% of the required code and reusing more than 20 software components, not counting the software dependencies. The new components developed form our contribution to the community.