ISA-NET is a system for computer-controlled management of technical inspection. ISA-NET software is designed as a client / server application. The server part runs in the background, usually on a special PC / server, and directs the entire course of the inspections. Client application is a standard visual application that enables communication between the server and the user. The application enables the user log in, monitor the results, and issue / print the final report. At the same time several clients / users can apply to the server.