Extranet for the members of Asfoso, in which they can manage their plots and lands, and view geographical representations of that lands, using a GIS. The system allows the owners to check their private information. The application also has an administration zone where the user can send SMSs to the members. We’ve used a platform based on PHP, with a PostgreSQL database to store the data. For the GIS (Geographical Information System), we’ve used a PostGIS database, the map server MapServer and the framework CartoWeb. For the SMS service we’ve used the messaging platform of Lleida.Net.