| Building Block Software
Provides no-cost C library source code for 2D and 3D geometry operations, boundary offset, area booleans, milling and turning toolpaths. |
| C4W
Offers modelling kernel libraries and related tools for construction, analysis, and presentation of 3D models. |
| Cadmai Software GmbH
Cadmai ist a parametric and relational CAD module that can be integrated as a intelligent viewer in other applications. |
| Calligraphic Interface for Tridimensional Surface Modeling
An educational project trying to develop a gesture-based interface for 3D modeling. It uses wxWindows, ACIS, OpenGL and DevIL. |
| Component Ingenuity, Inc.
DWGDOMlib and DXFDOMlib modules for reading and manipulating DWG and DXF files from within .NET applications. |
| CurveTrainer
A basic experimental lab for geometric shape processing, for learning about the mathematical theory and practical manipulation of various parametric curves. |
| D-Cubed
Supplies geometric constraint managers, hidden line and collision detection components to the CAD/CAM industry. |
| DeveloCAD.com
Graphics libraries for Delphi developers, such as an OpenGL canvas, hidden lines algorithms, and geometry data management. |
| DInsight
KernelCAD is an embedded CAD software, which adds interactive 3D solid modeling functionality to any Windows application. |
| Gardos Software
Avax ActiveX control to view, create, edit, print, and manage 2D vector drawings. |