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: XWiki

XWiki is a professional wiki that has powerful extensibility features such as scripting in pages, plugins and a highly modular architecture. With a Market Readiness Level at 8, it benefits from a position of established outsider in its market. XWiki won the OW2 Best Project Community Award in 2019.

News and Events



OW2con'21 is over now, many thanks to all attendees, speakers for your participation and to our sponsors for their support! The videos are available now on the conference website. 



THE INTERNET, July 27, 2021 - The OSPO Alliance today announced that major international open source contributors, including Red Hat, Microsoft and Orange, have signed up to participate in the Alliance’s activities and in OSPO.Zone.



The 2021 OW2 Best Project Awards goes to LDAP Tool Box in the category Community, to XWiki in the category Market and to Zenroom in the category Technology. 



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.



Open Source Experience (OSXP) is the new key European event. OW2 will participate  both in the conferences and in the exhibition with a Community booth. 


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

Ten years, dozens of memories and hundreds of fellows
First let me pay tribute to each of the many people - and the list is long - who participated in... 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