JGo
Use JGo to build custom interactive diagrams, network or process or workflow editors, flowcharts, or software design tools. JGo includes many predefined kinds of nodes, links, and basic shapes including text and images. It supports layers, groups, subgraphs, scrolling, zooming, selection,... Sample applications include MinimalApp, BasicApp, IconicApp (simple examples), Flower (a generic MDI app that includes a palette, overview window & toolbar), FamilyTree, Classier (browses the Go. ... NET classes), Demo1 (demonstrates how to do various things), WebWalker (for displaying relationships...
http://www.nwoods.com/go/evalform.htm - 0b - Download - Screenshot

GoDiagram
Use GoDiagra to build custom interactive diagrams, network or process or workflow editors, flowcharts, or software design tools. GoDiagram includes many predefined kinds of nodes, links, and basic shapes including text and images. It supports layers, groups, subgraphs, scrolling, zooming,... Sample applications include ProtoApp (a generic MDI app that includes a palette, overview window, toolbar and property grid window), OrgCharter, FlowCharter, FamilyTree, Classier (browses the GoDiagram classes), and Demo1 (demonstrates how to do various things).
http://www.nwoods.com/go/evalform.htm - 0b - Download - Screenshot