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: GNU Octave is an open-source mathematical programming language that is compatible with MATLAB. It can perform numerical computations, data visualization, and other math tasks.
Type: software
Pricing: Open Source