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• Advanced Geospatial Solutions - Offers technology to display and manipulate 3D CAD and terrain models, designed to be embedded into GIS, CAD, technical documentation and e-learning applications.
• Building Block Software - Provides no-cost C library source code for 2D and 3D geometry operations, boundary offset, area booleans, milling and turning toolpaths.
• 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.
• 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.
• 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.
• 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.
• VectorDraw Drawing Components - Object oriented 2D/3D graphics libraries with AutoCAD file format support, as well as a web-based version.
• Weresc - Offers CADE, a CAD ActiveX control to view and edit 2D vector graphic, with web and DXF support.
• Wout Ware - CadLib is A .NET DXF file manipulation library with 2D and 3D support that also handles export to image formats and PDF.