A geometric modeling kernel is a 3D solid modeling software component used in computer-aided design packages[1] .[2] Available modelling kernels include:
Convergence Geometric Modeler[3] by Dassault Systemes
Romulus was released in 1982 and licensed by Siemens and HP
Parasolid by ShapeData, now owned by Siemens
ACIS by Spatial Corporation, part of Dassault Systemes, is used in many CAD applications.
ShapeManager,[4] is a fork of ACIS developed by Autodesk since 2001.
Granite[5] by Parametric Technology Corporation
Open CASCADE is a freely available modelling kernel
C3D kernel by C3D Labs, part of the ASCON Group.[6][7]