1.    Platforms, prices, and supplier/creator

o        Windows, Linux, Unix, Mac OS

o        Freeware

o        Thomas Williams, Colin Kelley :


2.     Applications

o        GNUPlot is a plotting tool that can generate 2D and 3D plots of functions and data

o        It can be used as the plotting engine with various scripting languages, such as Python (via Gnuplot-py and SAGE), Ruby (via rgnuplot) and Smalltalk (Squeak and GNU Smalltalk)


3.     Web Resources

o        Official website:

o        Wikipedia:

o        Tutorial: