Northwoods.GoWin (nuget): Use GoDiagram to create directed and undirected graphs, network diagrams, flowcharts, workflow diagrams, entity relationship diagrams, BPMN and BPEL applications, organization charts, circuit diagrams, tree diagrams (e.g. syntax trees, sitemaps), data flow diagrams, mindmaps, SCADA diagrams, smart grid applications, planogram tools, and much more. Also supports XML save and restore, SVG and PDF output, popular automatic graph layout algorithms (tree, layered digraph and force directed), a Palette control for drag and drop of visual components and an overview control for large diagrams.  This full featured evaluation does not have a time limit, but there is a watermark in the view.  Purchasing a license is required for distribution.
Keywords: WinForms|2D|graphics|diagram|nodes|links|flowchart|orgchart|tree|graph|mindmap|workflow|network|gantt|dataflow|fishbone|UML|BPMN