We present in this article the project of creation of repository of XML models which we carried out within the framework of co-operation between laboratory Paragraphe, Edifrance, Mutu-XML, GFII, FING and UIC. We present also general context and interest of the projet. A description of the application with its various functionalities relating to access, research, division and revision of the models will be presented. Lastly, we will present the results and perspective of this project.