Open Cascade
Open Cascade is a Paris-based subsidiary of Capgemini that develops and maintains Open CASCADE Technology (OCCT), the only open-source full-scale 3D kernel, serving industrial enterprises with commercial 3D components, end-user CAD and visualization products, custom software, and digital continuity solutions.
- Company typePrivate
- Founded1999
- HeadquartersParis, France
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What Open Cascade does
Open Cascade is a Paris-based software company and wholly-owned subsidiary of Capgemini, operating as part of Capgemini Engineering (the global Engineering and R&D business line with 52,000 engineers and scientists, launched April 2021). The company was founded in 1999 as the original developer of Open CASCADE Technology (OCCT), which it describes as the only open-source full-scale 3D kernel. Open Cascade maintains and extends OCCT under the GNU LGPL license and has offices in France and Portugal, with 101-250 employees. The company sells a three-tier stack: the open-source OCCT kernel (geometric modeling, visualization, mesh generation, and data exchange); a portfolio of commercial add-on components (IFC, JT, ACIS, Parasolid, DXF importers/exporters, Express Mesh, Volume Rendering, BestFit, Unfolding, PMI Visualization, C#/Java wrappers, and others distributed via occt3d.com); and end-user products including CAD Builder (parametric modeler), DMU Reviewer (multi-CAD viewer), Asset Revamping (web-based 3D digital mock-up), and Web 3D Viewer.
Open Cascade's commercial model combines quote-based enterprise licensing of components and SDKs, a recurring A la Carte technical support subscription (Helpdesk, Technical Support, Consulting, Bug Corrections), and project-based custom software development and training services delivered on-site, at the Porto office, or online. The go-to-market is enterprise field sales complemented by event participation (Mobile World Congress, World Nuclear Exhibition, FOSDEM, AVEVA World Conference) and community channels (developer portal, OCCT Marketplace, Git repository, research publications portal with 200+ indexed articles). Pricing is not publicly disclosed and is set per engagement.
The company targets heavy industrial verticals — Energy & Utilities, Manufacturing (automotive, special-purpose and heavy machinery), Marine & Shipbuilding, Life Sciences, Telecommunications, and Metrology — and counts marquee industrial customers including BMW, Airbus, EDF, CEA, IRSN, Thales Alenia Space, RINA, Korean Register, HOMAG, ArcelorMittal, Samsung Heavy Industries, Yazaki, Principia, DBM Reflex, and Twin Robotics. The strategic positioning is anchored on a 'digital continuity' value proposition: breaking silos between isolated industrial IT systems and enabling end-to-end 3D data flow, asset management, and digital twin implementations through the OCCT-based platform plus integration and consulting services.
Open Cascade firmographics
Firmographics- Name
- Open Cascade
- Legal name
- Open Cascade
- Website
- https://opencascade.com
- Company type
- Private
- Founded year
- 1999
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Open Cascade is a Paris-based subsidiary of Capgemini that develops and maintains Open CASCADE Technology (OCCT), the only open-source full-scale 3D kernel, serving industrial enterprises with commercial 3D components, end-user CAD and visualization products, custom software, and digital continuity solutions.
- Ownership category
- akta.pro rank
Open Cascade industry classification
Industry- Product category
- 3D Computer-Aided Design (CAD) Software
- NAICS
- Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151), Scientific Research and Development Services (5417)
- SIC
- Services-Computer Programming Services (7371), Services-Prepackaged Software (7372)
- akta.pro primary industry
- Asset Creation, Pipeline, DCC Integration & Content Management Tools (MPAFAFAL)
Keywords
Where Open Cascade is headquartered
LocationHeadquarters
- HQ city
- Paris
- HQ country
- France
- HQ region
- Europe
Offices2 records
Markets served
Open Cascade business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- Custom Software Development: Variety of software development and consulting services offered to industrial companies. Services include custom solution development based on proprietary Open CASCADE Technology.
- Commercial Platform Licenses: Licensing of commercial platform components including CAD Builder, CAD Processor, DMU Reviewer, Asset Revamping, Web 3D Viewer, and various data exchange/visualization components.
- Technology Support Services: Technical support services including 'A la Carte' support program providing Helpdesk Query, Technical Support, Technology Consulting, Bug Corrections & Improvements.
- Training Programs: Instructor-led training courses and e-learning programs on Open CASCADE Technology and SALOME platform. Training courses include Fundamentals (5 days), Application Framework (3 days), Shape Healing (2 days).
- Software Customization: Customization of proprietary products to tailor solutions to specific customer workflows. Includes software development, configuration, and maintenance services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Training Courses |
| Subscription | Annual | A la Carte Support Program |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels8 records
Open Cascade product offering
Product offeringCore offering
Open Cascade develops, maintains, and commercializes Open CASCADE Technology (OCCT), the only open-source full-scale 3D CAD kernel, alongside a commercial platform of end-user products (CAD Builder, DMU Reviewer, Asset Revamping, Web 3D Viewer, CAD Processor), added-value data exchange and processing components, and professional services (custom software development, technical support, and training) for industrial enterprises in marine, energy, manufacturing, automotive, aerospace, and telecommunications.
Product overview
Open Cascade offers a platform-plus-modules architecture anchored by Open CASCADE Technology (OCCT), the world's only open-source full-scale 3D CAD kernel. The Open Cascade Platform serves as the commercial hub unifying all products for systems integration and custom solutions. The product portfolio consists of three tiers: (1) the OCCT open-source kernel providing core geometric modeling, visualization, mesh, and data exchange; (2) commercial added-value components (SDKs) for data exchange (IFC, JT, ACIS, Parasolid, DXF), visualization (Volume Rendering, Web 3D Viewer, Light Web Viewer), processing (Express Mesh, CAD Processor, BestFit, Canonical Recognition, Unfolding, Collision Detection, Surface Wrapping, Mesh Framework, PMI Visualization, CAM Library), and language wrappers (C#, Java); and (3) end-user products built on the platform — CAD Builder (parametric CAD modeler), DMU Reviewer (multi-CAD desktop viewer and analyzer), Asset Revamping (web-based 3D digital mock-up), and Web 3D Viewer (browser-based 3D visualization). Supporting services include Technical Support (A-la-Carte), Custom Software Development, Software Customization, Expert Consulting, and Training Programs. The company joined Capgemini Engineering in 2014 and operates as part of Capgemini's Engineering and R&D global business line.
Differentiator
Problem solved
Functional benefit
Brands
- Open CASCADE Technology (OCCT): The company's world-famous open-source 3D kernel for CAD modeling, visualization, and data exchange. Available under GNU LGPL license.
- Open Cascade Platform
- OCCT3D
- Asset Revamping
- CAD Builder
- DMU Reviewer
- CAD Processor
- Web 3D Viewer
Products and services
- Open CASCADE Technology (OCCT) The world's only open-source full-scale 3D CAD kernel providing geometric modeling, visualization, data exchange, and mesh generation capabilities, used as the foundational technology across all Open Cascade products. Available free under GNU LGPL v2.1 license.
- Open Cascade Platform A unified commercial hub for rapid systems integration and building custom business solutions. Serves as the backbone that unifies multiple software functionalities across the product portfolio, enabling end-to-end data management from acquisition through visualization for industrial enterprises.
- CAD Builder A parametric CAD modeler for creating and modifying 3D models with support for multi-dimensional geometries, non-manifold topologies, and Python scripting. Derived from the SALOME SHAPER Module, supporting STEP, IGES, BREP, XBF, and STL formats. Targeted at industrial CAD users.
- DMU Reviewer A multi-CAD desktop viewer and analyzer for 3D design review and analysis. Supports popular proprietary and native CAD formats, enabling assembly exploration, filtering, clipping planes, sections, GD&T measurements, PMI viewing, and color heating maps by attributes. Targeted at industrial design and engineering teams.
- Asset Revamping
- CAD Processor A suite of tools for healing, simplification, inspection, and conversion of 3D CAD models. Available as SDKs for developers to integrate CAD processing capabilities into their applications. Targeted at software developers and engineering teams.
- Web 3D Viewer
- Commercial Platform Components (IFC, JT, ACIS, Parasolid, DXF, Express Mesh, BestFit, etc.) Licensed add-on components for OCCT that enable data exchange (IFC, JT, ACIS, Parasolid, DXF), processing (Express Mesh, BestFit, Canonical Recognition, Unfolding, PMI Visualization, C#/Java Wrappers), and advanced visualization (Volume Rendering, Point Cloud Rendering). Targeted at software developers and engineering teams extending OCCT-based applications.
- A-la-Carte Technical Support Program
- Custom Software Development Services
- Training Programs
Quantifiable outcome
- BMW shortened mesh generation process from several days to several hours using Quick Mesh Application
- +4 more outcomes
Companies that use Open Cascade
Customer profileNamed customers17 records
Segments6 records
Ideal customer profiles4 records
Open Cascade technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
Open Cascade partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered minor and core.
- WinDTwin Project ConsortiumminorOpen Cascade participates in WinDTwin, a European-funded project for offshore wind energy optimization. The project represents a new era of offshore wind energy transformation.
- GICAN (French Marine Industry Group)coreOpen Cascade joined GICAN, which affiliates more than 200 industrialists in the maritime industry. GICAN brings together shipyards, system and equipment manufacturers, subcontractors, engineering and architect businesses involved in design, construction, maintenance of military and civilian vessels.
- Digital Twin ConsortiumcoreOpen Cascade joined the Digital Twin Consortium in November 2020, becoming part of an ecosystem dedicated to widespread adoption of digital twin technology. The Consortium coalesces industry, government, and academia to drive consistency in architecture, security, interoperability and vocabulary of digital twin technology.
- ROBINS Project ConsortiumminorSince 2018 Open Cascade is a member of ROBINS project consortium, bringing expertise in 3D technologies to establish regulatory framework for inspection in industrial applications.
Scale indicators6 records
Recent moves8 records
Expansion highlights6 records
Open Cascade competitors and assessment
Company assessmentBroad incumbents
- Dassault Systèmes: Dassault Systèmes delivers CATIA, SOLIDWORKS, and the 3DEXPERIENCE platform — established enterprise CAD/PLM systems that compete with Open Cascade's commercial products (CAD Builder, DMU Reviewer) while also incorporating ACIS and competing CAD kernels against OCCT for embedded use cases.
- Autodesk: Autodesk offers AutoCAD, Inventor, and Fusion 360 — broad enterprise and mid-market CAD/PLM offerings competing with Open Cascade across design, review, and digital mock-up workflows (DMU Reviewer, CAD Builder, Asset Revamping).
- ANSYS: ANSYS provides simulation platforms that interoperate with major CAD kernels (including OCCT, Parasolid, ACIS) and compete indirectly through integrated geometry and CAE workflows targeted at the same engineering enterprise customers Open Cascade serves with EDF, IRSN, CEA, and Thales Alenia Space.
- Altair Engineering: Altair delivers engineering simulation, design (Inspire), and CGM-developed geometric kernel technology that overlaps with OCCT's geometric modeling and visualization stack across simulation-driven design workflows.
- PTC: PTC's Creo CAD platform and Onshape cloud CAD compete with Open Cascade in parametric 3D modeling for industrial customers (e.g., HOMAG-style machinery manufacturers) and provide direct alternatives to CAD Builder and related commercial products.
- Spatial (Dassault Systèmes): Spatial develops the ACIS 3D geometric modeling kernel — one of OCCT's principal commercial alternatives for CAD/CAM application development. Acquired by Dassault Systèmes, Spatial offers a broader portfolio including CGM kernel and 3D InterOp data exchange, overlapping substantially with OCCT's geometric modeling and data exchange capabilities.
- Bricsys: Bricsys (a Hexagon company) develops BricsCAD, a DWG-based CAD platform that competes with Open Cascade's CAD Builder in the cost-sensitive CAD market, particularly for AEC and mechanical design SMB and enterprise segments.
- Siemens Digital Industries Software: Siemens develops the Parasolid geometric kernel and NX CAD platform — both directly competitive with OCCT for embedded modeling and full CAD systems. Parasolid Import is itself sold as one of Open Cascade's commercial components, underscoring the dual competitor/partner relationship.
Direct peers
- Tech Soft 3D: Tech Soft 3D provides 3D development toolkits (HOOPS Exchange, HOOPS Visualize, HOOPS Communicator) used by engineering software developers. Directly comparable to Open Cascade as a developer-facing 3D SDK provider serving CAD/CAM/CAE integrators with similar data exchange and visualization use cases.
Emerging players
- Kubotek USA (formerly TransMagic): Kubotek USA offers 3D data exchange and CAD interoperability software (Kubotek Kosmos, formerly TransMagic products) directly competing with Open Cascade's data exchange components (IFC, JT, ACIS, Parasolid, DXF importers) and CAD Processor for healing/simplification/conversion.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Open Cascade social profiles
Digital presenceOpen Cascade financial estimates
Financial estimateRevenue estimate
Valuation estimate
Open Cascade leadership team
Management profileNumber of profiles
Profiles1 record
Open Cascade funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Open Cascade M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Open Cascade
What does Open Cascade do?
Open Cascade develops, maintains, and commercializes Open CASCADE Technology (OCCT), the only open-source full-scale 3D CAD kernel, alongside a commercial platform of end-user products (CAD Builder, DMU Reviewer, Asset Revamping, Web 3D Viewer, CAD Processor), added-value data exchange and processing components, and professional services (custom software development, technical support, and training) for industrial enterprises in marine, energy, manufacturing, automotive, aerospace, and telecommunications.
Is Open Cascade a public or private company?
Open Cascade is a private company. It is classified as corporate owned and is currently operating.
When was Open Cascade founded?
Open Cascade was founded in 1999. It employs 101 to 250 people.
Where is Open Cascade based?
Open Cascade is headquartered in Paris, France, in the Europe region.
How does Open Cascade make money?
Five revenue lines are on record. Custom Software Development is the primary driver. The others are commercial Platform Licenses, technology Support Services, training Programs and software Customization.
Who are Open Cascade's main competitors?
Broad incumbents on record are Dassault Systèmes, Autodesk, ANSYS, Altair Engineering, PTC, Spatial (Dassault Systèmes), Bricsys and Siemens Digital Industries Software. Tech Soft 3D is listed as a direct peer. Kubotek USA (formerly TransMagic) is listed as an emerging player.
Does Open Cascade have an API?
No public API is recorded for Open Cascade.
What industry is Open Cascade in?
Open Cascade's product category is 3D Computer-Aided Design (CAD) Software. Its primary akta.pro industry code is MPAFAFAL, Asset Creation, Pipeline, DCC Integration & Content Management Tools. Its NAICS code is 541511 and its SIC code is 7371.