
dev.opencascade.org
Open CASCADE Technology, The Open Source 3D Modeling Libraries | Collaborative development portalOpen CASCADE Technology, The Open Source 3D Modeling Libraries. This technology exists from the mid 90s and is available in Open Source since early 2000s under a permissive Open CASCADE Technology Public License. Starting from version 6.7.0 (released end 2013), OCCT is available under GNU LGPL license. Since its publication in open source, OCCT has been developed almost exclusively by internal resources of OPEN CASCADE Company. This site provides user authentication, legal documents (see Get Involved.
http://dev.opencascade.org/