http://www.mi.sanu.ac.yu/newgraph/index.html
newGRAPH is a fully integrated environment used for improving a research
process in graph theory. Its purpose is:
It is a new version of GRAPH, written by Dragoš Cvetković
and his collaborators. It is currently being developed by Dragan Stevanović
and Vladimir Brankov, with Dragoš Cvetković and Slobodan Simić
serving as consultants.