Why Join Adoptium?
The Adoptium Working Group brings together organizations to shape the future of Java by collaborating on the delivery of high-quality, TCK-certified OpenJDK binaries through Eclipse Temurin. As a member, your organization gains strategic influence, community leadership opportunities, and a voice in driving long-term innovation across the Java ecosystem.
- Define the technical vision and shape the roadmap of the most widely adopted OpenJDK builds.
- Influence strategic decisions on default settings, security responses, and platform configurations.
- Align project priorities with your own by contributing to test suites, developer engagement, version support, and key metrics.
- Join a global, innovative open source ecosystem committed to improving Java for enterprise use.
- Benefit from stable licensing, predictable development frameworks, and open collaboration.
- Gain the support of a thriving community to evolve your open source practices.
- Trust in transparent, community-led governance under the Eclipse Foundation.
- Ensure long-term stability and vendor neutrality to avoid lock-in and reduce operational risk.
- Collaborate with leading Java vendors like Microsoft, Red Hat, IBM, Google, Alibaba, and Rivos.
- Ensure your enterprise use cases shape the future quality standards of Java.
- Engage directly with OpenJDK distributors to guide development and distribution.
- Share infrastructure costs and reduce duplication across build, test, and release pipelines.
- Improve delivery speed and operational efficiency through shared systems and practices.
- Shape the messaging, content, and marketing of Adoptium projects.
- Contribute to how Java is positioned for global enterprises and developer communities.
Membership Levels
Choose the membership level that best fits your organization's needs and engagement with the Adoptium community.
Strategic
Member
(Based on corporate revenue)
Critical to their organization's future
Invest significant resources
Committees participation
Voting rights, high-level governance, influence roadmap
Enterprise
Member
(Based on corporate revenue)
Critical to business operations
Influence the direction of the ecosystem
Participant
Member
(Based on corporate revenue)
Adopts or builds on Adoptium technology
Ensures alignment with their needs
Strategic Members
Enterprise Members
Participant Members

