Here are some improvements made after the last announcement:
- elm-ui for the layout. There is no css any more.
- multiple files with animated transitions between them. (This makes step-by-step visualizations of algorithms easy.)
- using local storage for saving the graphs
- an example for algorithm visualization (Dijsktra’s shortest path algorithm)
- labels for nodes and edges
- individual gravity centers for each node
You can see the roadmap for future plans.