1)   ConceptDraw V: upgrade 5.5.0 ConceptDraw is a comprehensive business and technical diagramming software with advanced drawing tools, task-specific wizards and extensive libraries of ready-made shapes. Supports MS Visio diagrams. Mac OS X and Windows versions 2)   ConceptDraw V 5.2.8 ConceptDraw is a comprehensive business and technical diagramming software with advanced drawing tools, task-specific wizards and extensive libraries of ready-made shapes. Supports MS Visio diagrams. Mac OS X and Windows versions