What's the fastest force-directed network graph engine for large data sets?

Question

We currently have a dynamically updated network graph with around 1,500 nodes and 2,000 edges. It\'s ever-growing. Our current layout en

Answer 1

I would take a look at http://neo4j.org/ its open source which is beneficial in your case so you can customize it to your needs. The github account can be found here.