Leveraging the European Open Source Ecosystem
June 23-24, 2021 - Online. Save the date!

World Health Organization: Coronavirus disease (COVID-19) advice for the public

Project of the month: Sympa

With a Market Readiness Level at 6, Sympa is a well-proven open source mailing list manager and automatic multiposting system.

News and Events



The final program is published and registration is now open. Once registered we invite you to connect to the conference online platform and start engaging discussion with other attendees! 



Next instalment of the webinar series we launched in cooperation with the Eclipse Foundation to introduce european software research projects that help shape the future of open source software and the IT industry.



The OW2 election of the Board of Directors process has ended now and the new Board of Directors for the year 2021 is announced. 



The OW2 community supports the recommendation of the French Parliamentary mission to set up a central open source competency center and offers to help by sharing its expertise.


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OW2 CEO Cedric Thomas co-signs op-ed in Le Monde with Stefane Fermigier and Prof. Roberto Di Cosmo in support of MP Eric Bothorel's recommendation to set up a specialized open source bureau for the French administration. 


How can you take part in the Community?

What is OW2

OW2 is an independent, non-profit community organisation dedicated to promoting industry-grade open source software for corporate information systems and to fostering their business ecosystems.

Why Join OW2

Make a stand, focus your open source efforts, help steer the community, increase your open source visibility, promote your projects, and join renowned industry leaders, SMEs, academics and individuals.

Free Infrastructure Software

OW2 hosts some one hundred open source projects spanning application platforms, components, middleware, cloudware and tools for the development, deployment and management of distributed and cloud applications.

Submit a Project

At OW2 it usually starts with an open source project. We provide resources, governance and help build awareness for your project. Checkout the project life cycle and fill in the submission form. Join the code base.

Quality and Adoption

Facilitate the market adoption of your project with our suite of freely accessible quality tools and with OW2's unique Market Readiness Levels project assessment program.

Open Source Good Governance

The Good Governance initiative develops a blueprint to help implement corporate-wide open source policies and improve the competitiveness and sustainability of the European open source ecosystem.

Download OW2 Software

Infrastructure Software, Application Platform, Middleware, Tools

A mature and lively community with a clear vision of the future
When I started to work at OW2 from its foundation, I was expecting to find out from the inside how... more

Collaborative Projects

Leveraging open source to foster collaborative innovation is a powerful strategy. OW2 is an experienced Open Source Software community for collaborative R&D projects. We provides community support and dissemination services and community building services to multinational open source collaborative projects and large collaborative R&D projects. In particular, OW2 has established itself as the reference dissemination and community platform for complex government-supported, open source-oriented projects.

They trust us