Check this -- logical process flowchartsits collaborative, free and you can manage the node descriptions independent of flowcharts and use them in the modular system of flowcharts. Moreover, you get XML specication of the flowcharts to generate rich graphical application (HTML+SVG +CSS) or other manipulation. Currently, new users have to request a user account thru email. The flowchart is drawn from specfication using the flowcharting rules like links flow to down and right.