Articles and field notes

We built the languages. That was the easy part.

A reflection from my SLE 2026 keynote on how each generation of language engineering moved the problem: from metamodels and editors to platforms, communities, practices, and human-agent collaboration.

AI for Capella: Agentic AI as a First Step

A practical look at AI for Capella for MBSE teams, starting with controlled agent access that keeps engineers responsible for model decisions.

Obeo Strengthens Its Commitment to the Future of Capella

An overview for the Capella and MBSE community of Obeo's new contributions to Capella, SysML v2 interoperability, simulation, AI, and Capella Days.

Capella Days 2025: where the ecosystem levels up

Capella Days 2025 takeaways: MBSE creates value when models power operations; themes on shared infrastructure, accessibility, and governance—practical guidance for teams scaling Capella.

Sirius Web 2025.10 - Little Things Matter

At Obeo we push modeling hard, but adoption is won by the experience. The little things matter. Subtle behaviors that add up across selection, navigation, editing, placement, and link routing. That is why in our 8-wee...

Open Source MBSE at Scale: From Industry-Proven Tools to Web-Native SysML v2

Cedric Brun (Obeo) and Asma Charfi (CEA) look back on 15 years of open-source MBSE ecosystem development and share their common vision for the next generation of modeling tools.

Capella Days 2024: what actually moved the needle

Capella Days 2024 takeaways: MBSE creates value when models power operations; themes on shared infrastructure, accessibility, and governance—practical guidance for teams scaling Capella now.

Open Community Experience 2024: Obeo was there!

Highlights from OCX 2024 in Mainz for Eclipse/open‑source and MBSE practitioners, with takeaways on Sirius Web, SysON, and the Cyber Resilience Act's impact.

A Week with the Framework Laptop: Modular, Repairable, and Linux‑Ready

Hands-on impressions of the DIY Framework Laptop 13″—for Linux users and maintainability‑minded teams—covering assembly, build quality, and why repairable, modular design matters right now.

Open Innovation Unleashed — OCX 2024, Mainz

OCX 2024 talk resources for Eclipse/MBSE practitioners—context, slides, and why open innovation and stewardship matter now.

Advancing Web-Based Modeling Tools with Sirius Web: An Illustration with SysON

Slides & demos: what Sirius Web and SysON enable for SysML v2 on the web.

Advancing Web‑Based Modeling with Sirius Web — MODELS 2024, Vienna

MODELS 2024 Industry Day session for engineers exploring web‑based modeling—Sirius Web and SysON resources and why it matters.

How much time do I need to make coffee ?

A short demo of a Sirius Web prototype for Monte Carlo ‘guesstimates’—for modelers and engineers—showing how to build domain tools fast.

Opening Up Sirius Web: A REST API Prototype

One of the big ideas behind Sirius Web is openness. Not just “open” as in open source, but also “open” as in working smoothly with the rest of the ecosystem.

Tweets of the month, November

Monthly Twitter/X archive for November 2023—for readers wanting a quick snapshot of updates, links, and highlights.

SVG icons in Sirius Web

Crisp SVG icons in Papyrus Web editors—useful for UX‑minded modelers evaluating Sirius Web and why vector assets elevate clarity.

(Sirius + Papyrus) × Web: a new Era for Collaborative Engineering tools

Announcing Obeo×CEA collaboration on Sirius Web, Papyrus Web editors, and SysMLv2 SysON—for MBSE leaders seeking open, collaborative web tooling and why it matters now.

(Sirius + Papyrus) × Web — EclipseCon 2023, Ludwigsburg

EclipseCon 2023 session: collaboration between Obeo and CEA on Sirius Web and Papyrus Web—slides, video, and who should care.

(Sirius + Papyrus) × Web — MODELS 2023, Industry Day

MODELS 2023 Industry Day session on Sirius Web and Papyrus Web—context and resources for collaborative engineering teams.

Tweets of the month, October

Monthly Twitter/X archive for October 2023—quick roundup of announcements, links, and highlights.

Tweets of the month, May

Monthly Twitter/X archive for May 2023—snapshot of news, events, and links for quick catch‑up.

Tweets of the month, March

Monthly Twitter/X archive for March 2023—concise roundup of updates and links.

Wondering what kind of impact a company like Obeo has on Research?

Measuring Obeo’s open‑source impact on academia—useful for researchers, partners, and OSS leaders—to show why community stewardship accelerates research today.

Do you know Ecore? Looking for a reference card?

A one‑page Ecore reference card—handy for EMF users and educators—explaining why the core model concepts still matter and how to use them today.

Tweets of the month, February

Monthly Twitter/X archive for February 2023—quick snapshot of updates and references.

What if you could design, simulate and analyze all at once using Open-Source solutions?

A demo of Sirius Web × Jupyter Notebook—for engineers and data‑minded teams—showing why live design, simulation, and analysis together can transform workflows now.

Are your engineering tools built on top of strong and well-maintained technologies?

Why well‑maintained OSS foundations matter for engineering tools—Sirius’ 12 releases in 2022 show reliability for teams betting long‑term, today.

Building Graphical Modeling Tools, Approaches to Reducing Complexity

How to cut complexity when building graphical modelers—for tool builders and engineering leaders—using modular design, DSLs, and fast iteration on the web.

Tweets of the month, January

Monthly Twitter/X archive for January 2023—highlights and links for a quick catch‑up.

2022 Tweets

Yearly Twitter/X archive for 2022—highlights and links for a broad view of the year.

2021 Tweets

Yearly Twitter/X archive for 2021—a compact way to browse the year’s updates and references.

The State of Sirius — SiriusCon 2021

SiriusCon 2021 keynote on where Sirius is and where it’s going—useful for teams planning Eclipse/Sirius roadmaps.

Interview — Why Participate in Open Source (Eclipse Foundation)

Interview for the Eclipse Foundation on why companies and individuals should participate in open source—key points and video.

Open Source Community Participation Drives Business Success — eBook

Contribution to the Eclipse Foundation eBook on open‑source participation—audience, why it matters, and where to read.

2020 Tweets

Yearly Twitter/X archive for 2020—scan key moments, links, and highlights quickly.

Interview by Strumenta

Language Engineering Talks #06—an interview for language engineering and modeling readers—sharing perspectives on OSS tooling and why it matters.

Obeo's Chronicles, Autumn 2020

Q4 2020 company update for the Eclipse/modeling community—Sirius Web’s open‑source reveal, Capella Days, and why it matters for tool builders now.

Interview — Federico Tomassetti (Strumenta)

Interview about the future of modeling tools, UX, and the role of open‑source in engineering — who should care and why it matters.

2019 Tweets

Kid[0] decided to dive into the wonders of the @scratch world. Today… As such, he also discovered the frustration of planned maintenance and then the joy of a new awesome version a few hours later! Congrats on the rel...

Let's Do It! Obeo loves The SeaCleaners

I am deeply convinced a company is not only an economical actor. It has a much wider responsibility as any decision also has social, environmental or even political implications.

The Rising Adoption of Capella

Witnessing an OSS technology getting together with a wide group of users is something I find exhilarating, I have experienced it with Acceleo, EMF Compare and Eclipse Sirius along the years, each time in different con...

2018 Tweets

RT @year_progress: ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓ 100%

SiriusCon 2018 is SiriusCon Live!

Event announcement: SiriusCon 2018 goes online as SiriusCon Live; for modelers and tool makers using Eclipse Sirius; highlights community momentum, deep technical sessions, and immediate registration details.

Siemens partnering with Obeo on Model Based Systems Engineering solution - a major recognition for OSS Modeling Techs

Partnership announcement: Siemens teams with Obeo on MBSE using open‑source Eclipse technologies; for systems engineers and tool builders; signals enterprise validation and near‑term integrations to leverage models ac...

2017 Tweets

Awesome! https://twitter.com/EclipseSirius/status/816273762412806144

⦏Breaking News Eclipse Sirius⦎ SiriusCon 2017!

SiriusCon 2017 arrives in Paris this week with deep Sirius content, companion tech, and user stories: for tool builders and adopters; why it matters—exclusive roadmap insights and limited free registration.

Eclipse Modeling Guided Tour — AQL (EclipseCon Europe 2017)

AQL in practice: writing fast, readable queries for EMF models—tips from EclipseCon Europe 2017.

Eclipse Modeling Guided Tour — EcoreTools (EclipseCon Europe 2017)

Guided tour of EcoreTools at EclipseCon Europe 2017—what’s new, who it helps, and resources to get productive.

Eclipse Modeling Guided Tour — EMF Compare (EclipseCon Europe 2017)

Guided tour of EMF Compare—practical workflows for diff/merge at scale in modeling projects.

Integrating Xtext and Sirius — Strategies and Pitfalls (EclipseCon Europe 2017)

How to combine Xtext and Sirius safely—integration strategies, pitfalls, and evolution patterns from the field.

North America, here we come!

Obeo expands to North America with a Vancouver subsidiary and leadership shifts (Cédric as CEO, Mélanie as CTO): for partners and MBSE adopters; why it matters—bringing open modeling and Capella expertise closer to ke...

You only have a few more hours to submit to EclipseCon Europe!

Last-hours call to submit talks to EclipseCon Europe 2017: for community speakers and project leads; why it matters—help shape the program with focused, to-the-point abstracts today.

EcoreTools-Next: Executable DSL made (more) accessible

Introducing ALE in Ecore Tools to make executable DSLs practical: for DSL authors and EMF users; why it matters—define behavior without codegen, iterate faster, and see it live at EclipseCon France.

EcoreTools‑Next: Executable DSL made (more) accessible — EclipseCon France 2017

Making executable DSLs more accessible with EcoreTools—what it enables for teams and how to get started.

Integrating Xtext and Sirius — Strategies and Pitfalls (EclipseCon France 2017)

Lessons learned integrating Xtext with Sirius at EclipseCon France 2017—clean boundaries, robust sync, and maintainability.

EcoreTools: user experience revamped thanks to Sirius 5.0

A hands-on look at EcoreTools’ Oxygen revamp powered by Sirius properties: for EMF/Sirius tool builders and modelers; why it matters—lighter code, better UX, and new dialogs landing in Oxygen M7.

Great new features in the Eclipse IDE — Devoxx France 2017

Highlights of Eclipse IDE enhancements presented at Devoxx France 2017—what’s useful for everyday productivity.

Xtext × Sirius — White Paper

White paper on combining Xtext and Sirius—when to mix textual and graphical DSLs, and how to architect maintainable tools.

2016 Tweets

Replying to @svenefftinge

Graphical Modeling from 2016 to 2017: Better, Faster, Stronger

Year‑end recap and 2017 roadmap for graphical modeling with Sirius: for tool builders and adopters; why it matters—properties view, UX polish, and a push on scalability and process‑aware tooling.

Sirius: Roadmap — SiriusCon 2016, Paris

Sirius roadmap highlights from SiriusCon 2016—what’s coming and how it impacts teams building modelers.

⦏Breaking News Eclipse Sirius⦎ SiriusCon 2016 is coming!

SiriusCon 2016 announced: a one‑day, content‑packed, free event in Paris; for Sirius users and tool makers; why it matters—best practices, roadmap, clinic, and limited seats—register now.

Psst, psst, you might want to submit right now for EclipseCon Europe!

One week left to submit for EclipseCon Europe 2016: for speakers and project leads; why it matters—community voting favors early entries, keep abstracts sharp and submit today.

Modeling Avengers — Open‑Source Mix for Saving the World (EclipseCon France 2016)

Mixing open‑source technologies to tackle real engineering problems—what we combined and why it matters.

Ecore.ecore using EcoreTools

Fresh, high‑res Ecore.ecore diagrams recreated with EcoreTools: for EMF users and educators; why it matters—clear visuals and how‑to tips to document the metamodel today.

Metamodel (Ecore) Design Checklist

Index for the Ecore design checklist series: for EMF practitioners; why it matters—quick one‑page reference linking both parts for everyday use.

Metamodel (Ecore) Design Checklist - part 2

Ecore design checklist (part 2): scalability and Java mapping tips for EMF modelers; for tool builders; why it matters—keep models fast, lean, and maintainable at scale.

Metamodel (Ecore) Design Checklist - part 1

A practical Ecore metamodel design checklist (part 1): for EMF/Sirius tool makers; why it matters—get fundamentals right early to avoid costly refactors later.

Eclipse Modeling Package Neon M6 is ready for testing

Eclipse Modeling Package Neon M6 highlights and changes: for Eclipse modelers and tool builders; why it matters—new features, speedups, packaging tweaks—please test and report before M7.

Executing, Debugging and Animating your model

Animate, debug, and execute your DSL models with GEMOC + Sirius: for DSML authors and modelers; why it matters—see live behavior (with video) as GEMOC nears completion.

Modeling Avengers : OSS Technology Mix for Saving the World

Applying Eclipse modeling + OptaPlanner to smart farming water management: for engineers and researchers; why it matters—real‑world decision support beyond software, shown at EclipseCon NA 2016.

Modeling Avengers — Open‑Source Mix for Saving the World (EclipseCon NA 2016)

Open‑source technology mix for smart systems—slides, video, and why this approach scales across teams.

Obeo Turns 10

Obeo turns 10: a look back at our open‑source journey and growth; for partners, customers, and community; why it matters—values, people, and OSS model shaping what we build next.

Some news on the AQL front

What’s new in AQL for Sirius 3.1/Mars.2: for Sirius specifiers and EMF toolsmiths; why it matters—faster queries, Java‑extensible services, better validation and typing you can use right now.

2015 Tweets

RT @lorenzo_bettini: Only a few hours left to get my #Xtext book for only 5$ https://www.packtpub.com/application-development/implementing-domain-specific-languages-xtext-and-xtend @packtpub #packt5dollar

EclipseCon Europe 2015 is over but SiriusCon is coming!

EclipseCon Europe 2015 is over now. This conference is the one in which the “Eclipse Family” feeling is the most inescapable. The downside of this is that one might experience a slight melancholy when the conference i...

Sirius — Origins, Present, Future (SiriusCon 2015)

The story and roadmap of Sirius—key milestones, current state, and where it’s headed for tool builders.

AQL - a new interpreter for Sirius

TL;DR: we’ve been working on a new query interpreter for Sirius which is small, simple, fast, extensible and bring richer validation. It’s been released for early adopters with Sirius 3.0 but will be the recommended i...

A Solution to the TTC’15 Model Execution Case Using the GEMOC Studio

Technical paper on executing models with GEMOC—what the approach enables and where it fits.

Eclipse Sirius and Obeo Designer

Now that one of the major Obeo Designer Technologies is Open-Source you might wonder how we get to employ close to 60 people. [..]

Sirius 3.0M6 - Anchors for Non-rectangular Images

Let’s say you need a specific shape for your modeler and this shape is directly available , you can create an SVG file (or a PNG one …) and use it as a shape. It’s fairly easy to leverage Inkscape and define your shap...

Domain Globalization: Using Languages to Support Technical and Social Coordination (Springer)

Book chapter on how languages support coordination across teams and domains—why this matters for large‑scale engineering.

2014 Tweets

RT @triskellteam: I am Diverse, a self-consciousness numerical being that took control over Triskell. AND I HAVE A PLAN. #inria

What makes EclipseCon Europe a good conference ?

EclipseCon Europe 2014 is getting close and it will only get harder to book hotel rooms and flights. It’s probably time to decide whether you come or not. Let me tell you what you can expect from such an event:

Sirius + Xtext = ♥ (XtextCon 2014, Kiel)

XtextCon talk on pairing Sirius with Xtext—slides and patterns for robust hybrid editors.

EcoreTools 2.0 - The Luna Revival

With Eclipse Luna comes a complete re-implementation of EcoreTools, the diagram editor for Ecore. This matters because EcoreTools is often the first step our adopters have to go through; users expect a diagram editor ...

EcoreTools 2.0: The Luna Revival (EclipseCon North America 2014)

What’s new in EcoreTools 2.0 and why it matters for EMF teams—resources and takeaways from ECNA 2014.

2013 Tweets

Got my #ingress invite :)

Eclipse @Devoxx

I’m back from a full week at Devoxx in Antwerpen- Belgium. I was there to present the Sirius project and Eclipse Modeling at the Eclipse Foundation booth. (by the way, thanks again to the foundation staff!) It was qui...

Eclipse Modeling Package - The Road to Luna

Since the last public survey, my primary focus for the modeling package was:

EcoreTools 2.0 — The Making Of (EclipseCon Europe 2013)

How EcoreTools 2.0 was built—decisions, trade‑offs, and what it enables for modelers.

Will you be Sirius at EclipseCon Europe ?

We’ve been in some sort of “Stealth mode” since the proposal for Eclipse Sirius got accepted. It did not make sense to us to communicate on Sirius as long as it’s not there, in Eclipse. That said, the summer actually ...

Interview — Sirius getting contributed to Eclipse

Discussion on contributing Sirius to Eclipse—why governance matters and what it enables.

Introducing Eclipse Sirius

You might have noticed some signs of excitement from us lately, one being the following tweet:

Learning from the source

I don’t know about you, but at Obeo we’re preparing for EclipseCon North America. Eclipse Conferences are great; so many things are built on top of Eclipse or within the Eclipse projects. Tooling of course, but also r...

On being open and transparent

We always intend to run our Eclipse projects as real open-source projects. Being open, transparent and so on. The Eclipse Development process forces you to do so in some way; the simultaneous release brings a bit more...

Obeo Designer 6.1.0 - no 4.x platform... yet !

2012 Tweets

Happy New Year ! 2012 will be the year of the Linux desktop ;) #yetagain

EMF Core does not change, but ..

15 EMF projects in 25 minutes (EclipseCon Europe 2012)

Fast tour of nice and fun EMF projects, what they solve and when to use them.

EclipseCon Europe - Time to hurry up !

Eclipse DemoCamp Nantes - Live Broadcast

Hi,

Interview — OPEES and PolarSys at the core of Obeo’s strategy

Interview about Obeo’s strategy with OPEES and PolarSys—why open governance matters for industry tooling.

Upcoming Events

With Juno’s arriving to the end of the release cycle, Eclipse Day’s are popping up everywhere in the world.

Tutorial — Building a Webapp Generator with Eclipse Modeling (BreizhCamp 2012)

Hands‑on tutorial: generate webapps (backbone.js, …) with Eclipse Modeling—who benefits and what you need.

Preparing EclipseCon US 2012

We are pretty active in Eclipse:

Your custom modeling environment definition made easy. At last! (EclipseCon 2013, Boston)

Defining custom modeling environments with Eclipse technologies—patterns to keep them robust and evolvable.

Graphical, textual, table, trees, its your call, to us its just EMF models

Lately I’ve been making sure the upcoming Designer 6.0 release still plays well with Xtext. Results: fairly good. The newly introduced “Modeling Project” lets you behave with your Xtext models just like any other kind...

Understanding Eclipse Modeling (Eclipse Day Toulouse 2012)

An introduction to Eclipse Modeling—core ideas, components, and how they fit together.

2011 Tweets

2010 is over, it’s been a great and busy year especially in regards to the global economy, Obeo has exciting plans for 2011, stay tuned !

Do you want to discard this editor's changes ?

If you’ve used EMF editors you probably already have seen this kind of dialog:

Eclipse Day Paris 2011

Eclipse Day Paris took place a few weeks ago; every year it is scheduled the week after Eclipse Con Europe. I had the chance to attend the 2011 edition and it was a real pleasure for several reasons.

SysML Comparison and Contributions

Community and Ecosystem

Follow the White Rabbit ...

at Eclipse Day Paris!

Obeo @ Eclipse Con Europe

Obeo invests a lot in Eclipse projects (yes, we are a Strategic Member of the Eclipse Foundation); we’re building, in the open, the modeling platform we need for our product.

Model Transformation Preview

Let’s say you have a model-to-model transformation, and you want to provide the ability for the end-user to see and control what is going to be applied on the target model. How could you do that? EMF Compare might do ...

Model Comparison : Logical Model, UML, Papyrus, EcoreTools and GMF Integration

Mylyn meets Intent: Documentation made fun and useful (EclipseCon Europe 2011)

Bringing documentation into the development loop—Mylyn and Intent integration patterns.

Synchronizing data : Dropbox-like based on open-source stack

I had to find a solution for my backup/cloud drive needs lately. Dropbox works just fine, but the pricing is going high too fast as you want more space.

Textual Adventures in Ecore + Graphical Modeler

I was cleaning up my ${HOME} folder today and found a set of demos I prepared two years ago.

Eclipse Modeling : the definitive tutorial

One of the things we keep hearing from adopters is: we need more doc — not just reference documentation but also how to use and combine the Eclipse Modeling components.

Collaborative Modeling : the New Deal

Want to know how we tackle collaborative modeling @ Obeo? Want to see live demos of consistent optimistic or painless pessimistic strategies? Want to see more of what is going on mixing Mylyn and EMF/GEF/GMF? Want to ...

Live request interpreter for Acceleo 3.2

Laurent is working on an Interpreter View for Acceleo 3.2 (coming soon).

Building tools for software re‑architecture (JugSummer Camp 2011)

Tools and approaches for software re‑architecture—how modeling helps plan and execute change.

Measuring Performances

Performance is a feature — your users need it and so does your product. The code is changing, always; keeping track of the effect of those changes on performance is not easy but it is as important as fixing bugs.

Comparing pom.xml files while waiting for indigo

I know you’re all waiting for the Indigo release final bits! These 0 and 1 are finding their way on the mirrors as I’m writing to make sure we’ll get the smoothest release ever ;)

Collaborative Modeling: The New Deal (IWMCP 2011 Keynote)

Keynote on collaborative modeling—governance, tooling, and practices to work across organizations.

Eclipse Modeling Package : SDK or not ?

The indigo release will be the first year the Eclipse Modeling package is no more marked as “incubating”. As I’m checking the status of every component I’m wondering: do you, end users of the package, want an SDK pack...

Mylyn Intent @ EclipseCon 2011

In case you’re not aware (yet ;) ) the Mylyn Intent proposal is going forward — if everything goes well we’ll be able to get a shiny git repository on Eclipse.org in the incoming weeks.

What the heck is Eclipse Modeling and why should you care! (EclipseDay Paris 2011)

Intro to Eclipse Modeling—what problems it solves and where to start.

2011 - The Thrill

One- two-three, one-two-three.. 2011 begins … one-two-three..

2010 Tweets

Bachelor party in sight !

Sequence Diagrams for your DSL's

Obeo Designer 5.0 sneak peek—cleaner diagram UI, embedded toolbars, quick outline for diagrams, and a demo for sequence‑style DSLs.

Model Comparison : Patching with MPatch

Introducing MPatch in EMF Compare—capture changes as reusable model patches and apply them across different models with smart resolution.

Autumn is a second spring when every leaf is a flower

Autumn updates at Obeo: Helios SR shipped, new hires, and a handy Acceleo 3 trick—calling Java services from templates with quick fixes.

Eclipse Helios - a whole year of goodness

Helios as a year‑long journey: community milestones, conferences, and the bits that made Eclipse Modeling better for real users.

3 Good Reasons to use the Helios Modeling Package

Three reasons the Helios Modeling Package became my daily driver—hidden EMF goodies, EcoreTools diagrams, and full SDK access—with add‑ons to try.

Forecasts Comparison For The World !

Fun EMF hack: use EMF Compare to diff and merge World Cup forecasts—custom matchers, code snippets, and screenshots included.

Eclipse Modeling Survey results

What the Eclipse Modeling survey revealed—documentation and examples top the list, plus size trade‑offs and ideas to crowdsource improvements.

Eclipse Modeling Package Survey

Quick 6‑question survey to shape the Eclipse Modeling Package for Indigo—what you use, what’s missing, and where to invest next.

Compare/Helios - Every Second Counts

EMF Compare performance sprint for Helios—much faster matching and lower memory on large models, with data and what’s next.

I'm a poor, lonesome cowboy ..

Post‑EclipseCon 2010 notes: highlights across EMF Compare, e4, CDO, Mylyn, ATL, and the Modeling package—community energy in one place.

Diff, Merge and Patch your Models with Helios

A practical tour of EMF Compare in Helios—semantic diff/merge, Team integration, and how the matching engine scales for real model workflows.

Modeling Project Runaway : ATL

ATL gets a major tooling refresh—refining mode, improved editors, and a Java API—highlighted in the ‘Modeling Project Runaway’ session.

Eclipse Amalgamation 2.0

How Amalgamation reshaped the Eclipse Modeling Package into a lean Modeling SDK with P2 discovery—what changed and why it helps adopters.

Its time already !

Call for Google Summer of Code 2010 contributors on Eclipse—ideas from EMF Shell to CuteGEF, and how students and committers can jump in now.

Ecore In Colors (In Motion)

A short demo of Ecore In Colors showing VSM‑driven interactions and the resulting modeler—for Ecore users curious about richer, interactive tooling.

Unusual Propulsion System

Reflections on Obeo’s early bet on open‑source and the Eclipse community—why that ‘unusual propulsion system’ powered real, sustainable growth.

Diff, Merge and Patch your models with Helios (EclipseCon 2010)

Using EMF Compare in Helios to diff/merge models—practical guidance and resources.

Eclipse Summit : here we come !

Heading to Eclipse Summit Europe—slides and session on Acceleo’s journey—for community members planning their ESE agenda this week.

Exploring Eclipse Plugins: beyond Terra Incognita

A one‑day cartography of Eclipse plugins with PDE APIs—for Eclipse engineers needing step‑by‑step exploration of dependencies and extensions now.

From Acceleo.org to Eclipse Modeling (Eclipse Summit Europe 2009)

Journey from Acceleo.org to Eclipse Modeling—lessons for open tooling and communities.

Having more control ...

Regain control of your tooling with domain models, viewpoints, and generation—for developers who want less overhead and more value from modeling today.

The 09/09/09 09:09 0.9.0 Release

A numerically auspicious Acceleo 0.9 I‑build and ESE talk lineup—for Acceleo users tracking milestones and planning to meet in Ludwigsburg.

Let's take a step back ...

Taking stock of web‑app vs. desktop trends and Eclipse’s path to easy install, updates, and collaboration—for platform builders deciding where to invest now.

Feedback from IT companies leveraging Acceleo

Real‑world feedback from Capgemini, Atos, Orange, Bull on Acceleo—for IT leaders and dev teams weighing model‑driven approaches for agility and quality.

Eclipse Acceleo Day is going on...

Live notes from Eclipse Acceleo Day at LSM—for Eclipse/modeling practitioners following community news, sessions, and takeaways as they happen.

Galileo Modeling Package is Here

Galileo Modeling Package download and highlights—for developers seeking a ready‑to‑use modeling stack and what’s new in this release today.

Quick glimpse at Galileo Modeling Package

A tour of Galileo’s Modeling Package—EcoreTools, EMF Compare, Xtext, Acceleo—for Eclipse users evaluating what’s new and useful right now.

Viewpoints-enabled Modeling Tools

Viewpoints‑enabled modeling that shows only what matters—for system designers who need focused representations and actions aligned to current concerns.

The 20 minute Graphical Modeler based on Eclipse

Build a working graphical modeler in ~20 minutes on Eclipse Modeling—for tool builders who need fast iteration, conditional styles, and live feedback.

Live Models Using JBoss Rules (Drools) and EMF

Live EMF models driven by Drools rules—for modelers and architects who want instantaneous, quantitative feedback on design quality during editing.

Award Winning Acceleo moving to Eclipse

Award‑winning Acceleo joins Eclipse—for template‑based code generation users who care about open governance, roadmaps, and community momentum right now.

Eclipse Modeling Summer of Code 2009

Google Summer of Code ideas across EMF/Acceleo/Modeling—for students and mentors eager to build practical tooling and 3D diff visualizations this season.

ShuangXi effect : UI testing and documentation

Using SWTBot to generate tutorial screenshots and test Eclipse UIs—for plugin developers and doc writers who need maintainable, up‑to‑date guides now.

Team Work with Models: Compare and Merge with EMF Compare in Galileo (EclipseCon 2009)

Collaborating on EMF models with EMF Compare—workflows and tips for teams.

Engineering dictator strikes back : querying your team repository

A modeling kata turning SVN logs into actionable EMF reports with Acceleo—for engineering leads and toolsmiths who want real‑time insight into team activity today.

2008 was full of excitement, let's make an even better 2009 !

A look back at 2008’s Eclipse/modeling highlights and what’s next for 2009—for Eclipse users and open‑source practitioners seeking context and resources right now.

Back from ESE 2008 : WOW !

I’m now back to France after this great conference. Ed covered the “modeling events” quite well already but I can’t prevent myself from sharing my pleasure as I’m still filled with excitement!

How much computer scientists do you need...

To setup doors for a bathroom?

"Babies are such a nice way to start people"

I did not blog a lot lately, several reasons for that:

Model differences in the Eclipse Modeling Framework (UPGRADE Journal, 2008)

Journal article on model differencing in EMF—foundations and implications for tooling.

Amazing forest

Open-source projects are similar to trees in some ways. They live through time and slowly but steadily grow, becoming much more impressive and at some point far bigger than what people expected from the beginning.

Mega Modeling Mania (EclipseCon 2008)

Hands‑on modeling challenge—resources and context for the EclipseCon 2008 Mega Modeling Mania.

Les outils MDA Open Source: Application à JEE (Solutions Linux 2008)

Open‑source MDA tools applied to JEE—context and resources from Solutions Linux 2008.

Chocolate commit

At work we have a rule: if you commit something which does not compile, or that causes failure of the build, then you have to bring back a chocolates candies box.

Modeling at ESE 2007

Eclipse Summit is almost over now; a lot of things happened and the Modeling project is, for sure, really lively.

EMF Compare: One Year Later (Eclipse Summit Europe 2007)

EMF Compare after its first year—progress and what’s next.

Setting up a Domain Specific Tooling (Eclipse Summit Europe 2007)

Return of experience in building a complete set of graphical modelers using the Graphical Modeling Framework (GMF).

" I love deadlines...

… I like the whooshing sound they make as they go by.” D. Adams

New licenses for QT : any progress on Eclipse ?

A few days ago the trolls opened their great framework a bit more, adding new licence exceptions on their Free Software edition. This means Qt software can be used along with a larger range of other Free Software libr...

Beautiful Evidence

When I discovered the NodeBox project, that thought (in fact — a book title) immediately caught my mind.

“Simplicity is the ultimate sophistication”

Leonardo Da Vinci was damn right about it, and Acceleo 2.0 is just another step in the right direction. As planned we released this new stable version today. Have a look at the new and noteworthy to get an idea of the...

EMF Compare now uses XMI_ID

The generic EMF comparison engine uses statistics in order to match elements. It compares their content, their type, the relations with other objects and their name. This process gives good results on many metamodels,...

XML files comparison/merge

On the EMFT mailing-list, Martin Taal asked me if EMF compare component was useful when one has to handle XML files.

Joining the community

First time blogging, many first times these days :)

Model Comparison Panel (EclipseCon 2007)

Panel on model comparison—state, challenges, and directions from EclipseCon 2007.

Acceleo, un générateur open source pour des développements dirigés par les modèles (Solutions Linux 2007)

Acceleo for model‑driven development—slides from Solutions Linux 2007.

Tweets from 2010 to 2022

Blogging about Eclipse, OSS and the Obeo Company “Unusual Propulsion System” : https://tinyurl.com/ybazp84

Ingénierie des Modèles 2006 (IDM, Lille)

Talk at Ingénierie des Modèles 2006—slides and context.