Gnuplot
Used by 5 peoplegnuplot.info ↗
“For drawing plots, Gnuplot is still my go-to, and the main reason it stays that way is I can rattle off Gnuplot commands without reference.”
Stephen Strowes Interview, Network measurements researcher · via Uses This 
“I generate my plots using a mix of Gnuplot and Python.”
Daniel Lemire Interview, Computer researcher, professor · via Uses This
