GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
KaleidaGraph - KaleidaGraph, the daily workhorse for graphing and data analysis.
LabPlot - LabPlot is a KDE-application for interactive graphing and analysis of scientific data.
Grapher - Put Grapher’s powerful graphing and data analysis features to the test and better understand your data. Learn about features and download a free trial.
Matplotlib - matplotlib is a python 2D plotting library which produces publication quality figures in a variety...
DataMelt - DataMelt (DMelt), a free mathematics and data-analysis software for scientists, engineers and students.