JavaScript client-side editor for general diagramming & whiteboarding
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Free software for making Flow chart, Mind map, Gantt chart, Whiteboard
Webbased modeling tool
power system configuration and simulation, c/c++ and .NET
Digital timing diagram rendering engine
The HTML 5 JavaScript diagramming library
Kanji Stroke Order Diagram Builder is a Java GUI Application