ConceptDraw - Version 1.3 A powerful, easy-to-use tool for creating software flowcharts, organization charts, timelines, marketing diagrams, and more. 67 task-related, upgradable object libraries provide you with more than 1,600 objects which you may need for creating flowcharts, office layouts, electronic schemes, or other diagrams. It's cross-platform, it allows for embedded hyperlinks, and it includes a built-in spreadsheet with calculation capabilities.