News and Events
EuroCommons kick-off 0.1
July 1st in Paris marks the kick-off of the EuroCommons initiative from the French CDC (Caisse des Dépôts), alongside the first TechSprint bringing together around 300 large European organisations collectively taking control of their own digital resilience.
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OW2con'26, June 2-3, 2026 in Paris- Châtillon 0.4
OW2con is now over! With more than 300 participants this year, the conference audience continues to grow every year and is becoming increasingly international. Attendees appreciated in particular the quality of keynotes talks and inspiring discussions around open source and digital sovereignty challenges.
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Open Source by OW2 webinar September 17 2026 0.5
Mark the date on your agendas : the next Open Source by OW2 webinar will take place on September 17 at 16:00pm. Discover great innovative projects and join the discussion!
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NGI Zero Commons Fund - Results of Open Calls 0.9
More than 300 digital commons and open source projects will be funded by 2027. For a detailed list with descriptions, please visit NLnet website.
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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
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.