Geometry Kernel, a multi-platform C++ library with source code accessible for clients, developed and distributed by RDF - Geometry Kernel web site.

GTS GNU Triangulated Surface Library, for polygon meshes only and not surfaces.IRIT modeling environment, for Windows only.SvLis Geometric Kernel became opensource and discontinued, for Windows only.KCM (Kosmos Core Modeler) is developed by Kubotek3D subsidiary of Kubotek Corporation, released in 20.SOLIDS++ is developed by IntegrityWare, Inc.K3 kernel is developed by Center GeoS.sgCore is a freeware proprietary modeling kernel distributed as an SDK.Open CASCADE is an opensource modeling kernel.CGAL is an opensource Computational Geometry Algorithms Library which has support for boolean operations on Polyhedra but no sweep, revolve or NURBS.C3D Modeler is developed by C3D Labs, part of the ASCON Group.Granite is developed by Parametric Technology Corporation.ShapeManager is developed by Autodesk and was forked from ACIS in 2001.Romulus was a predecessor to Parasolid.

Parasolid is developed and licensed by Siemens.Convergence Geometric Modeler is developed by Dassault Systèmes.SMLib is developed by Solid Modeling Solutions.

ACIS is developed and licensed by Spatial Corporation of Dassault Systèmes.

A geometric modeling kernel is a solid modeling software component used in computer-aided design (CAD) packages.

Spaceclaim revolve