Date: Jul. 19, 2000
Link: http://www.gnu.org/software/plotutils/plotutils.html
Source Author or Organization: Robert Maier, Nick Tufillaro, GNU Project

The GNU plotting utilities are powerful C/C++ libraries for programmers and technical users. The centerpiece is libplot, a library for exporting 2-D vector graphics in many file formats, including vector, raster and vector graphics animations. With this version (2.4.1), libplot and applications built on it can export graphics files in Scalable Vector Graphics (SVG) format.