A free direct flowchart editor app
DFD is a tool that allows you to create quick and very simple flowcharts. Dragging arrows from one entry to another is very quick. The system mostly relies on drag-and-drop mechanics, which most people are already familiar with. This tool is similar to a graphic design editor than a typical flowchart or mind-map editor, which will suit people who do not enjoy highly customizable editors.
DFD supports the following formats