| 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. |
| 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. |
| Geometric Software Solutions | | Technology provider to CAD/CAM/CAE vendors, offering components for geometry manipulation, information management, and collaborative engineering. |
| Geometry Handling Library | | A library for 2-D and 3-D geometric calculation in C, with functions for shape generation, geometric evaluation, intersection, and offsetting and filleting. |
| IntegrityWare, Inc. | | Offers libraries for geometric solvers, trimmed surfaces, and polygon optimization, including visualization features. |
| KolbaSoft | | The VeCAD 2D vector graphics library can be used to create CAD applications. |
| Kotem Technologies Inc. | | Offers components for CAD/CAM software, such as the 3D Core CAD-engine, the SmartFit 3D best-fitting application, and related functionality. |
| LEDAS Ltd. | | Provides a variational geometric solver for CAD, scheduling, planning and other intellectual solutions, using proprietary constraint-based technologies. |
| Open CASCADE | | A 3D modeling kernel that consists of reusable C++ object libraries that are available as Open Source. |
| SCS Mothership, Ltd. | | Offers technology to display and manipulate 3D CAD and terrain models, designed to be embedded into GIS, CAD, technical documentation and e-learning applications. |
| Soft Gold, Ltd. | | AutoCAD DXF tools for developers. ABViewer for Windows Commander and Far Manager. 3d DXF viewing and printing with C++, VB, and Delphi. |
| Spatial Technologies, Inc. | | Develops, markets and supports software components for 3D modeling, visualization, and interoperability, such as the ACIS solid modelling kernel. |
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