Open Source Solution for
Model-Based Systems Engineering

Eclipse Capella™ is a powerful and extensible MBSE software tool that leverages
a field-proven language and method to successfully design the architecture of complex systems.

Your industrial-grade MBSE Workbench

Ensure Deployment Success

Ensure Deployment Success

Rely on technical and methodological expert support to deploy MBSE in your enterprise

Training, Coaching & Support

Power Up Your MBSE Workbench

Power Up Your MBSE Workbench

Extend Capella with ready-to-use extensions to manage requirements, collaboration, safety, ...

Open-Source and Commercial Add-Ons

Adapt to Your Specifics

Adapt to Your Specifics

Obeo supports you in extending, tailoring, and integrating Capella to your specific needs

Integration & Customization

Upcoming Events

Meet the Capella experts and benefit from their experience.

Capella Annual Event

Capella Days 2025
Meet the Community

Sharing Case-Studies & Best Practices


Online | Nov 18-20, 2025

Register

A Comprehensive MBSE Solution

Capella provides methodological guidance, intuitive model editing,
and viewing capabilities for Systems, Software and Hardware Architects


Model-Based Systems Engineering Method

Model-Based Systems Engineering Method

Capella relies on Arcadia a field-proven model-based methodology that covers each engineering phase

Arcadia Method

Customizable, Open and Scalable MBSE Tool

Customizable, Open and Scalable MBSE Tool

Your process, your viewpoints: Capella can be adaptable to your own engineering approach and integrated with your tools

Capella Features

Successfully Deployed Solution

Successfully Deployed Solution

Capella is already used on concrete projects in numerous industrial sectors (aerospace, energy, transportation…)

Case-Studies

Books

Two books thoroughly describe respectively the method and the tool.
The Arcadia book describes and illustrates the fundamentals of the method and its contribution to engineering activities.
The Capella book is a practical guide to using the workbench.

Model-based System<br>and Architecture Engineering with the Arcadia Method

Jean-Luc Voirin

Model-based System
and Architecture Engineering
with the Arcadia Method

Read More

Systems Architecture Modeling with the Arcadia Method - A Practical Guide to Capella Modeling Tool

Pascal Roques

Systems Architecture Modeling with the Arcadia Method - A Practical Guide to Capella Modeling Tool

Read More

Case-Studies

Rolls Royce

Aviation

Rolls Royce

Arcadia and Capella for a
large complex mechanical system

Read

Chinese Version

Ariane Group

Aerospace

ArianeGroup

Model-Based Systems Engineering
must become a team sport!!

Read

Chinese Version

CNES

Space

CNES

Successful Capella Landing on a
CNES Operational Use Case

Read

Discover All the Case-Studies

Extend the power of Capella
with the latest plugins and add-ons

Beyond Capella, discover the extensions provided by the ecosystem
Collaborate with Your Team | Break Your Systems Down | Generate Documentation


Discover All