vgplot
vgplot is an interface to the gnuplot plotting library with the intention to resemble to some of the plot commands of octave or matlab.

(asdf:load-system :vgplot)
or
(ql:quickload :vgplot)

(vgplot:plot '(1 2 3) '(0 -2 17))

For examples run the demo function:

(vgplot:demo)

and see API documentation: https://quickref.common-lisp.net/vgplot.html

License: GPL Copyright (C) 2013 - 2015 Volker Sarodnick

Source: https://github.com/volkers/vgplot/