kSar : a sar grapher - ksar is a sar graphing tool that can graph for now linux,mac and solaris sar output.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
timeplotters - Timeplotters are command-line tools for visualizing temporal data, especially useful for...
GNU Octave - GNU Octave is a programming language for scientific computing.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.