A free and open source multiplatform 3D parametric modeler
The programmer's solid 3D CAD modeller
CAD Draw, CAD Control, printing, C/C++,.NET Source Codes
HMI - SCADA Graphics Visualization Source Code Solution For C/C++
E-XD++ Diagram Control for C/C++, .NET, the professional Diagram.
E-XD++ Flow Chart Control for C, Visual C++, .NET, ASP.NET, with codes
Print and Report Control Source Codes for C/C++, .net
Cross-platform Open-source 2D CAD
power system configuration and simulation, c/c++ and .NET
A Windows-based viewer currently supporting CDR & 2D DXF files
Free minimalist software for maps, import DWG, DXF, SHP, KML, GeoJSON
Simple Road Design and Earthworks
Surface Explorer 3D plots mathematical surfaces in 3D.
Open Source Desktop GIS with Surveying and Cartography Functionality
French Geographic Information System
A set of freeware applications for viewing/processing P-CAD files.
Nesting SDK, Library
City maps, military maps, mine maps, the power of geography with C++
Analog \ digital circuit design and simulation source code
Library with DXF related functions (work in progress)
Automated detection of the unknown early map projection
Converts between many 3D data formats