Desktop · Photo, Design & 3D
OCCT
Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE.
by Open-Cascade-SAS
Download
Official site: occt3d.com
About OCCT
Open CASCADE Technology (OCCT) is an open-source software development platform for 3D CAD, CAM, CAE.
How to install OCCT
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Open OCCT once it finishes installing.
Frequently asked questions
Is OCCT free to download?
Yes. The Download button sends you to occt3d.com, the developer's official site, where OCCT is available to download. TfsSoftware doesn't host or modify any files.
Is OCCT safe?
OCCT downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.
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