Diagramly is a free online diagram drawing application. You can use it to create UML, entity relationship, org charts, BPMN and BPM , database schema and networks. Also possible are telecommunication network, workflow, flowcharts, maps overlays and GIS, electronic circuit and social network diagrams. It's like a mini version of Visio in your browser.
You can export your diagram in our raw XML format, PNG or JPG, or as SVG and later re-load your saved XML.
If you are reading this, your browser might not be capable of displaying the application. The supported list of browsers is Firefox 3 and later, Microsoft Internet Explorer 7 and later, Safari 5 and later, Opera 9.0 and later, Camino 2 and later, Epiphany 2.0 and later, Galeon 2.0 and later and Google Chrome 12 and later.