gnuplot plots 2d and 3d graphs, from a data file or with a formula. It has an interactive mode with online help, or it can be used non-interactively. gnuplot does function fitting to data sets, and it does output to many terminals, among which are PostScript, X11 display, PNG, and GIF (via the old gd library).
30 Day SummaryAug 11 2026 — Sep 10 2026
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12 Month SummarySep 10 2025 — Sep 10 2026
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