Opensource: Data Visualization Tools

General Network Visualization

Python

Java

Javascript

Comon

Mixture

Network Visualization

Community

  • Cfinder, finding overlap community and visualization.

General Plot

  • GNUplot, terminal based, very handy.

Charts

Javascript

My Recommendation

If you want to process/draw a network on your computer, you might try networkX/iGraph, if you want to draw them on the web, you might try Springy or Cytoscape Web.

If you want to draw charts or treemap on the web, you might want to use Highcharts or Google Chart Tools.

Other