gnuplot – General purpose plotting program
Generate almost any type of chart you wish and save it in LaTeX format or as PDF (or in any of a dozen other formats).
Free license not otherwise listed, or more than one free license applies
|Copyright||1986–1993,1998,2004 Thomas Williams, Colin Kelley
graphics generator whose output is good for use with TeX
Maybe you are interested in the following packages as well.
- metapost: A development of METAFONT for creating graphics
- pstex: Processor for including figures in LaTeX
- graphbase: A platform for combinatorial algorithms
- latexcad: A CAD drawing package