1)   RFFlow Professional Flowcharting 5.02 RFFlow is a drawing tool that allows you to quickly and easily draw flowcharts, organization charts, audit charts, cause-effect (fishbone) diagrams, PERT charts, Gantt charts, database definitions, electronic schematics, and more. 2)   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 3)   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