Graph is an open source application used to draw mathematical graphs in a coordinate system.
License: Open Source
Apps available for Windows
gnuplot is a command-line program that can generate two- and three-dimensional plots of functions, data, and data fits.
Apps available for Mac OS X Windows Linux
Graph is a user-friendly tool ideal for quick and interactive data visualization, while GnuPlot offers more advanced customization and scripting capabilities, making it suitable for complex data analysis and publication-quality graphics.