Open Cascade Technology
| Open Cascade Technology | |
|---|---|
OpenCASCADE Screenshot | |
| Developer(s) | Open Cascade S.A.S.U. |
| Initial release | 1999 |
| Stable release | 7.9.1
/ 21 May 2025 |
| Repository | |
| Written in | C++ |
| Operating system | Linux, FreeBSD, macOS, Windows, Android, iOS, WebAssembly |
| Platform | IA-32, x86-64, ARM |
| Type | CAD, CAM, CAE |
| License | LGPL 2.1 only with exception |
| Website | dev |
Open Cascade Technology (OCCT, formerly named CAS.CADE) is an object-oriented C++ class library for 3D computer-aided design (CAD), computer-aided manufacturing (CAM), computer-aided engineering (CAE), etc. It is developed and supported by Open Cascade SAS company. It is free and open-source software released under the GNU Lesser General Public License (LGPL), version 2.1 only, which permits open source and proprietary uses.
OCCT is a full-scale boundary representation (B-rep) modeling toolkit.