We’re excited to announce the release of the Open Mainframe Project 2025 Annual Report — a celebration of ten years of community-driven innovation, collaboration, and impact in the world of open source on the mainframe.
Over the past decade, the Open Mainframe Project has helped transform the mainframe ecosystem — making it more accessible, open, and future-ready through shared tools, education, workforce development, and active participation from volunteers, students, and industry partners.
🎉 A Milestone Year
2025 marked a major milestone — our 10th anniversary. The Annual Report reflects on this journey, highlighting how far we’ve come and the momentum driving us forward into 2026 and beyond. From enhanced tooling to expanded education programs, this report showcases the collective achievements of the entire mainframe community.
📌 What’s Inside the Report
Technical Progress: Major enhancements and releases across key open source initiatives including Galasa, Zowe, zopen Community, and more — from improved test infrastructure to broader developer workflows.
Community and Events: Continued strong engagement at industry events such as SHARE, IBM TechXchange, and GS UK, connecting practitioners, students, and contributors globally.
Education & Workforce Development: Robust growth in mentorships, COBOL programming labs, and Mainframe Open Education resources, helping build skills for the next generation of mainframers.
Ambassadors & Contributors: Recognition of the diverse group of ambassadors and mentees who have helped advance open source mainframe technologies and community outreach.
Vision for the Future: A look ahead at initiatives planned for 2026, including expanded access to real mainframe resources and new ways for contributors to participate.
🚀 What This Means for the Community
This report is more than a summary — it’s a snapshot of a thriving ecosystem. The Open Mainframe Project continues to strengthen open source on the mainframe by empowering contributors, enabling innovation, and fostering collaboration across companies, universities, and individual practitioners worldwide.
We invite you to read the full annual report and explore the stories, technical advancements, and community highlights that made 2025 a remarkable year. Together, we’re shaping the future of open mainframe technology.
👉 Read the full report: Open Mainframe Project 2025 Annual Report (PDF)
