The extra-class activities that teachers expose to their students are of vital importance for the technical-scientific development of themselves, starting from this context; in the present work will be developed a service for that students of the Technical University of Loja to make their group activities have of an instant messaging tool and of this way can communicate without having to use the social networks. To carry out the application, we used Client-Server architecture, which was built with free-use development tools such as Java using the Sockets services to communicate the different processes through the network. To fulfill the project, a search of similar applications was made, to see its feasibility, but its use was granted to certain places and countries so that, we decided that the application was feasible. For the fulfillment of the project was employed a methodology in cascade; this will allow to divide the project in phases and at the same time develop it of an orderly and concise manner. In the results, we got a tool of Instant Messaging where students who perform their works and tasks in areas of the university can communicate of fast, effective, safe way, and without necessity to find distractions like in typical and social applications.