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: JustSketchMe is a free online drawing tool that allows users to easily create sketches, diagrams, floor plans, and more. It has an intuitive interface with various drawing tools for shapes, lines, and text.
Type: software
Pricing: Free