…Open your mind

     

Project of The Month:

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Linphone is OW2 project of the month of June 2025. Discover Linphone 6.0, LinPhone SIP Server 2.4 and LinPhone SDK 5.4. More

Projects Market Readiness Levels Focus: OCS Inventory

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With a large customer base of mainstream users, OCS Inventory is an established outsider in its market (MRL Level 8). The software is recognized. It is supported by an appropriate financing and an active community. View OCS Inventory Market Readiness synthesis.

News and Events

  

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OW2con'25 Best Project Awards 0.2 

🏆 We are happy to reveal the winners of the OW2 Best Project Awards 2025, which were just announced at the OW2con'25 Conference: LDAP tool Box (Technology Award), Linphone (Market Award), CryptPad (Community Award). 

More

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Open Source Webinar by OW2, September 19 at 4pm CET 0.3 

OW2 is co-organizing with the OSPO Alliance team monthly webinars about open source software management. Join the next Sept. 19, 2025 webinar "Open Source and the OSPO at Centreon". Visit the OSPO Alliance website.

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Open Source Experience, December 10-11, 2025 0.4 

Register now for your badge at OSXP (free). We look forward to the new venue this year : City of Sciences, in Paris. We will share our community booth with OW2 members and projects coming from the NGI world. Contact us for more info!  

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AlpOSS, February 17, 2026 0.6 

With more than 300 attendees, 16 sponsors and 40 speakers, the 2025 edition was a huge success. Be ready for AlpOSS 2026, February 17, 2026 with a new exceptional venue to be revealed soon!  

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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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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

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Sharing a long history based on the values of free software
OW2 and ADULLACT share a long history based on the values of free software. We are happy to be... 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