kSar : a sar grapher - ksar is a sar graphing tool that can graph for now linux,mac and solaris sar output.
GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals
timeplotters - Timeplotters are command-line tools for visualizing temporal data, especially useful for...
Geometry Pad - Geometry Pad is a dynamic geometry application for iPad and Android tablets.
GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Dr. Geo - Dr. Geo, a software to design & manipulate interactive geometric sketches.