GoDiagram
Add custom interactive diagrams to your .NET user interfaces, including networks, workflows, flowcharts, organization charts, design tools, BPMN and more. Flexible, powerful, extensible. Includes many predefined nodes and links. Includes automatic layout & instruments. Supports layers, scrolling, zooming, selection, drag-and-drop, clipboard, in-place editing, tooltips, grids, printing, overview window, palette. Many useful sample applications.