Bonfiglio, AmedeoMalatesta, GiuseppeTisato, Francesco2017-04-152017-04-151989This paper introduces Conference Toolkit, ,a system layer supporting multimedia, real-time cooperation among _ users via shared applications. Conference Toolkit allows both to integrate standard applications in a conference environment and to develop "conference aware" applications. It is based on a concurrent object-oriented scheme. Conference Desk, a prototype based on the, Conference Toolkit model, is described.enText