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.
CurveTrainer A basic experimental lab for geometric shape processing, for learning about the mathematical theory and practical manipulation of various parametric curves.
VectorDraw Drawing Components Object oriented 2D/3D graphics libraries with AutoCAD file format support, as well as a web-based version.
DeveloCAD.com Graphics libraries for Delphi developers, such as an OpenGL canvas, hidden lines algorithms, and geometry data management.
Geometric Software Solutions Technology provider to CAD/CAM/CAE vendors, offering components for geometry manipulation, information management, and collaborative engineering.
Cadmai Software GmbH Cadmai ist a parametric and relational CAD module that can be integrated as a intelligent viewer in other applications.
Open CASCADE A 3D modeling kernel that consists of reusable C++ object libraries that are available as Open Source.
C4W Offers modelling kernel libraries and related tools for construction, analysis, and presentation of 3D models.
D-Cubed Supplies geometric constraint managers, hidden line and collision detection components to the CAD/CAM industry.
Spatial Technologies, Inc. Develops, markets and supports software components for 3D modeling, visualization, and interoperability, such as the ACIS solid modelling kernel.
Gardos Software Avax ActiveX control to view, create, edit, print, and manage 2D vector drawings.
KolbaSoft The VeCAD 2D vector graphics library can be used to create CAD applications.
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.
Weresc Offers CADE, a CAD ActiveX control to view and edit 2D vector graphic, with web and DXF support.
IntegrityWare, Inc. Offers libraries for geometric solvers, trimmed surfaces, and polygon optimization, including visualization features.
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.
DInsight KernelCAD is an embedded CAD software, which adds interactive 3D solid modeling functionality to any Windows application.
Component Ingenuity, Inc. DWGDOMlib and DXFDOMlib modules for reading and manipulating DWG and DXF files from within .NET applications.
Wout Ware CadLib is A .NET DXF file manipulation library with 2D and 3D support that also handles export to image formats and PDF.
Building Block Software Provides no-cost C library source code for 2D and 3D geometry operations, boundary offset, area booleans, milling and turning toolpaths.
