Description: GnuPlot is a free, open-source graphing utility that can produce publication-quality 2D and 3D plots. It supports various plot types like line, scatter, histogram, boxplot, and contour plots. GnuPlot can also fit and manipulate data.
Type: software
Pricing: Open Source
Description: PGF and TikZ are LaTeX packages that allow users to create high-quality graphics programmatically. They provide tools for drawing diagrams, flowcharts, graphs, trees, automata, and much more within LaTeX documents.
Type: software
Pricing: Free