ネットワーク描画のためのFlex component
Graph Gear
http://www.creativesynthesis.net/blog/projects/graph-gear/
SpringGraph
http://mark-shepherd.com/blog/springgraph-flex-component/
flexvizgraphlib
http://code.google.com/p/flexvizgraphlib/
SprinGraphの利用例
http://www.12noobs.com/2008/04/18/dynamic-graph-visualization-in-flex-ruby-and-amazon-sqs-part-1-flex/
めも。