OpenCascade
Platform, company & news
Discover the OpenCascade platform, corporate information, services, and news on the main site.
Transition notice
old.opencascade.com has completed its transition
Please update your bookmarks. You will find the OpenCascade platform, the OCCT3D kernel, and paid product downloads in their new homes below.
OCCT3D
CAD kernel, components & support
Access OCCT3D technology, documentation, advanced components, and support resources.
OCCT3D
Paid downloads
Downloads formerly hosted in Customer Corner are now in the OCCT3D Personal Area. Sign in with your existing OpenCascade SSO account.