This research topic entitled: "Web application and the improvement of commercial management of the company Boutique Megacentro de Chepén" has been developed with the purpose of demonstrating that it is possible to reduce the time of carrying out the processes and generation of reports, consequently generating savings to the company. At the same time for the realization of this research work has been arranged that all the components used are free software, this in order to reduce costs to a minimum. The objective is to "Improve the commercial management of the Megacentro Company of the province of Chepén, through an implementation of a web application." For the development of the web application, we chose to use the RUP (Rational Unified Process) methodology, which is divided into 4 phases: inception phase, preparation phase, construction phase, transition phase. It will also follow the...