kSar : a sar grapher - ksar is a sar graphing tool that can graph for now linux,mac and solaris sar output.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
Microsoft Power BI - BI visualization and reporting for desktop, web or mobile
GNU Octave - GNU Octave is a programming language for scientific computing.
Graph - Graph is an open source application used to draw mathematical graphs in a coordinate system.