Solutions for Software Development
Services
OCCT3D Open-Source Kernel
About Us
DevTools Marketplace Technology Samples Data Exchange Formats
Technical Support Custom Software Development & Services Training Programs
Company Profile Careers News Customers and Partners Success Stories Testimonials
1 2 3 4
Terms of Use Privacy Policy Cookie settings Cookie Policy
Back

OCCT3D Open Source 7.9.0 Released!

19 Feb 2025

We’re excited to announce the release of OCCT3D Open Source v.7.9.0, it brings over 250 improvements and bug fixes to enhance performance, stability, and functionality.

  • Optimized core algorithms
  • Improved modeling & visualization
  • Enhanced data exchange (STEP, GLTF, IGES)
  • Faster build system with better dependency management

Explore all the new features and updates in our latest article: http://bit.ly/4hZF1so

Other News
All News
14 Aug 2025
Major C# Wrapper Update: NuGet Integration, Expanded API, and Enhanced Stability

We’re thrilled to release a significant update to our commercial C# Wrapper, designed to make life easier for every .NET developer building powerful 3D applications.
23 May 2025
OCCT3D Open Source 7.9.1 Released!

We are delighted to announce the release of Open CASCADE Technology version 7.9.1
19 Mar 2025
Important Announcement: OCCT 8.0 Release and Patch Migration Process

We’re excited to announce the Migration Program and the upcoming Major Release 8.0, scheduled for the beginning of 2026
See also
Industries Use Cases Success Stories Testimonials
Do you have more questions?
We will do our best to answer your questions
Coming Soon

New version of the Personal Account section is under development. We do our best to provide current and new users with advanced feature set as soon as it is possible.

In the new Personal Account users will be able to:
  • edit user and company information,
  • manage access rights for the users of the same company,
  • sign documents electronically,
  • view the list of purchased licenses and the order history,
  • issue technical support tickets and track the progress,
  • download purchased software,
  • get access to training materials,
  • purchase software online using a credit or debit card.

The former version of the Personal Account is available at old.opencascade.com

Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Contact Us
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
С-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Request a Free Trial
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Request a Live Demo
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Contact Sales
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Request a Quote
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Request for Educational Use
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Academic Position
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Customization Request
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
E-learning
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
On-site training
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Apply for a Job
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Desired Position
Optional
Please Click
Analyst-algorithmist in ShipBuilding area
Technical Writer for CAD products and CAD related project
Senior Computer Graphics Engineer
Senior Python Developer
CAD C++ Developer with strong math background
C++ CAD Technical Leader
C++ Developer
Project Manager
Senior Java Developer
Senior Java developer for PLM
Frontend Developer (Angular)
QA Automation Engineer
QA Manual Engineer
QA Engineer (Manual + Auto)
AI Data Engineer
Computer Vision Software Engineer
CAD C# Developer
Information Engineer in Oil&Gas/Chemistry industry
Software Development Manager/CAD Cloud Solutions System Architect
Aveva Engineer
DevOps Engineer
Marketing Manager
Other
Attachments
Maximum file size: 10MB
Drag & Drop or
Allowed file types: gif, jpg, jpeg, png, rtf, pdf, doc, docx, odt, ppt, pptx, odp.
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Apply for an Internship
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Desired Position
Optional
Please Click
Analyst-algorithmist in ShipBuilding area
Technical Writer for CAD products and CAD related project
Senior Computer Graphics Engineer
Senior Python Developer
CAD C++ Developer with strong math background
C++ CAD Technical Leader
C++ Developer
Project Manager
Senior Java Developer
Senior Java developer for PLM
Frontend Developer (Angular)
QA Automation Engineer
QA Manual Engineer
QA Engineer (Manual + Auto)
AI Data Engineer
Computer Vision Software Engineer
CAD C# Developer
Information Engineer in Oil&Gas/Chemistry industry
Software Development Manager/CAD Cloud Solutions System Architect
Aveva Engineer
DevOps Engineer
Marketing Manager
Other
Attachments
Maximum file size: 10MB
Drag & Drop or
Allowed file types: gif, jpg, jpeg, png, bmp, tif, txt, rtf, html, pdf, doc, docx, odt, ppt, pptx, odp.
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Tech Support Request
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
Thank you!
The request has been successfully submitted.
You can close this window.
We will contact you shortly during our office hours
(Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Report a Technical Issue
We will contact you shortly during our office hours (Monday to Friday, 9:00 am — 6:00 pm GMT +1)
Position/Level
Optional
C-level executive
Mid-level management
Technical specialist
Marketing / Sales specialist
Academic
Master / Bachelor / Student
Other
Please, DO NOT use this form if you need to manage your personal data. Follow this link for such requests.
stab-img
Backing your path to digital Future
Mobile version of the website is on development.  Please open the website on your desktop computer.
Or go to the old version of the website at old.opencascade.com
Follow Us: