Description: DraftSight is a free, professional-grade 2D CAD software that lets users create, edit, view and markup any kind of 2D drawings. It offers similar features and interface to premium tools like AutoCAD.
Type: software
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