Download free Diagram Studio 5.7 on our website. The tool can process ".dsd". The built-in antivirus system reports that the software is virus free. The software is designed to work with Windows XP/Vista/7/8 32-bit. Please note that the software is developed by Gadwin Systems, Inc. According to the information on our website the most popular versions of this tool are: 5.4, 5.3 and 5.2. These installation files are often used to install this program: DiagramStudio.exe and DStudio.exe.