It is free (Basic Edition) or low-cost (Premium Edition) since it uses open source MySQL database and Apache web servers.The benefits of PacsOne versus the traditional PACS servers are: A Web server which uses open source Apache 2.x HTTP server and PHP (recursive acronym for 'PHP: Hypertext Preprocessor') scripting engine for web user interface.A PACS server which uses open source MySQL database.PacsOne Server, a.k.a., PACS Server In One Box, is a DICOM 3.0 compliant PACS (Picture Archive and Communication System) application that combines the following components in one server or one box: