1)   GoDiagram 2.5
Build custom interactive diagrams, network, workflow editors, flowcharts, or software design tools. Includes many predefined kinds of nodes and links. Flexible, powerful, extensible. Many useful samples. Optional automatic layout & instruments.
.NET, Windows Forms, Control, Diagram, Graph, Network, Editor, Flowchart, Workflow, Dataflow,

 2)   BMDFM 5.9.9 revision:10-Mar-2006
BMDFM (Binary Modular DataFlow Machine) is software, which enables running an application in parallel on shared memory symmetric multiprocessors (SMP) using the multiple processors to speed up the execution of single applications.
SMP, DataFlow, Parallel High Performance Computing,

 3)   JGo 5.0
Build custom interactive diagrams, network, workflow editors, flowcharts, or software design tools. Includes many predefined kinds of nodes and links. 100% implemented in Java. Requires Java 2. Flexible, extensible. Optional automatic layout.
Java, Swing, Component, Diagram, Graph, Network, Editor, Flowchart, Workflow, Dataflow,