OpenCasCade 7.4.0

A typical application developed using OCCT deals with two or three-dimensional (2D or 3D) geometric modeling in general-purpose or specialized Computer Aided Design (CAD) systems, manufacturing or analysis applications, simulation applications, or even illustration tools.library designed for rapid production of sophisticated domain-specific CAD/CAM/CAE applications

LibreCAD 2.2.0-rc1

LibreCAD is a cross-platform 2D Computer-Aided-Drawing application derived from QCad, and extends it with CAM functionality. It supports DXF, LFF, CXF, and JWW files, can export to common bitmap graphics formats and SVG.