a parametric 3D CAD modeler
CAD Draw, CAD Control, printing, C/C++,.NET Source Codes
The programmer's solid 3D CAD modeller
A free and open source multiplatform 3D parametric modeler
A CAD application for creating virtual LEGO models
Cross-platform Open-source 2D CAD
E-XD++ Diagram Control for C/C++, .NET, the professional Diagram.
Visual Programming for AutoLisp, C+Lisp
Model Railway CAD program
A Cross Platform and Open Source Electronics Design Automation Suite
Open Source Solid Modeling CAD
Static and Dynamic Structural Analysis of 2D and 3D frames.
Free and open source pattern design software
Open-Source Multiphysics FEA (FEM) Package
A Full PLM system based on odoo
Free minimalist software for maps, import DWG, DXF, SHP, KML, GeoJSON
Draw curves, colored 2D maps with CAD capabilities
Open source 3D software based on opencascade(CAD)
LibrePLM integrates CAD editors in Odoo / LibrERP
Open Source Desktop GIS with Surveying and Cartography Functionality
Examples for VTK, C++ NURBS toolbox, C++ matrix template
A set of freeware applications for viewing/processing P-CAD files.
converts between IGES file and text file
Simple Road Design and Earthworks