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Open Source Summit Japan 2025

December 8 - December 10

Open Source Summit Japan 2025

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.

View the tracks here.

Dates to remember:

  1. CFP Closes: August 4 (Monday) at 15:59 JST (UTC+9) / August 3 (Sunday) 23:59 PDT (UTC -7)
  2. CFP Notifications: September 16 (Tuesday)
  3. Schedule Announcement: September 18 (Thursday)
  4. Event Dates: 2025, December 8 -10 (Monday – Wednesday)

Learn more and register now for the event.