1)   DiagramStudio 5.3
Diagram Studio is a tool for creating flowcharts, business and technical diagrams. Draw objects, various shapes and link them together. The program features user-controlled points of connection, color shadows, graphics import and export, curves.

 2)   Diagram Studio 3.2
Diagram Studio is a tool for creating flowcharts, business and technical diagrams. Draw objects, various shapes and link them together. The program features user-controlled points of connection, color shadows, graphics import and export, curves.