Diagramming Software for Windows and Macintosh. This software allows you to create diagrams, charts, graphs, flowcharts, and other business graphics. Most products include simple shape drawing tools, templates, and symbol libraries. SmartDraw (Win)Create flowcharts, organizational charts, technical drawings, web graphics, diagrams, business presentations, floor plans, and more. Online mind mapping - MindMeister. Mindomo - Web-Based mind mapping software.