I.S.E.D.A. designs software to support the nuclear power plant staff. Since 2001, we developed a number of programs for the following areas: - Optimization of core reloading works, core component management, shuffling sequences, planning and monitoring of maintenance works during the outage - Nuclear fuel accounting reports - Data management system for inspection data and the related documentation (text documents, images and videos) provided with easy to use search and filtering tools as well as graphical views of historical data - Monitoring of physical parameters from the reactor operation, shown in a user- friendly GUI with dynamical 2D and 3D views - Collection and presentation of data from radiation monitoring of the plant site and the environmentOur aspirations are to meet the utility-specific needs and to help our clients in optimizing the operation cycle and reducing costs. I.S.E.D.A. products have been installed in 12 European utilities.