2025 December 8-10
Tokyo, Japan
#OSSummit
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Open Source Summit Japan is the leading conference in Japan connecting the open source ecosystem under one roof, providing a forum for technologists and open source industry leaders to collaborate and share information, learn about the latest in open source technologies and find out how to gain a competitive advantage by using innovative open solutions.
Become a sponsor
Partnering with Open Source Summit provides a unique opportunity to connect with a variety of open source communities under one roof! Don’t miss your chance to sponsor THE premier event for open source code and community contributors.
You’ve Been Waiting
For This
Thousands of attendees come to Open Source Summit Japan to learn from each other, move forward together, and celebrate what’s next. Whether you’re a developer, architect, sysadmin, community manager, student, or something in-between, you’ll…
Meet
Face-to-face problem-solving, discussions, and collaboration
Learn
Learn about the latest trends in open source and open technologies
Access
Access to leading experts that will help guide you through a complex OS environment
Accel
Gain a competitive advantage by learning about the latest in innovative open solutions
Discover
Discover what industry-leading companies and projects are working on and where technologies are headed
Explore
Explore career opportunities with the world’s leading technology companies
“Open Source Summit is a fundamental gathering place for exchanging ideas across projects and meeting all of the people who make open source communities work.”
The Onsite Experience
Schedule at a Glance
Times are listed in Japan Standard Time (UTC+09:00).
| Monday, December 8 | 9:00 – 18:30 | Keynotes, Breakout Sessions, Solutions Showcase & Tux Trek |
| Tuesday, December 9 | 9:00 – 18:00 | Keynotes, Breakout Sessions and Solutions Showcase |
| Wednesday, December 10 | 9:00 – 18:00 | Keynotes, Breakout Sessions and Solutions Showcase |
