Jtrana is a Java-based NS-2 wireless simulation trace analyzer. Its input is an NS2 wireless trace, and its output is a graph or data-set that can be plotted with other tools such as Gnuplot.Any problem,plz visit:http://ns2trana.googlepages.com
"Draft" provides a collaborative design environment to assist in prototyping projects - software or other - in a graphical manner. It's written in Java and provides an interactive, animated UI framework to create rich content. Emphasis is on ease of use.