Graphviz for drawing and visualizing small graphs.Gnuplot for plotting structural properties of networks (e.g., degree distribution).The following packages need to be installed on the system to support drawing and visualization in SNAP: SNAP is largely self-contained and requires external packages only for drawing and visualization. Make sure that a C++ compiler is installed on the system. SNAP works under Windows with Visual Studio or Cygwin with GCC, Mac OS X, Linux and other Unix variants with GCC.
