7–9 Dec 2026 · Tokyo, JP

Open Source Summit Japan

Open Source Summit Japan is a multi-track conference and gathering for open source developers, technologists, maintainers, community leaders, and supporting professionals. The event covers a broad range of open-source topics including cloud & orchestration, embedded Linux, Linux kernel development, AI & data, automotive Linux, safety-critical systems, and project/community management. It is intended for technical practitioners (developers, architects, SREs), community and leadership roles (OSPO, legal, managers), and related academic, media, and industry attendees to share knowledge, collaborate, and advance open source projects.

Last updated

Dates
7–9 Dec 2026
Venue
Toranomon Hills Forum
Location
Tokyo, JP
Frequency
Annual
Audience
Mixed
Duration
3 days
IT & SoftwareEnvironment & Water
Event website

Compiled from public sources and periodically reviewed and updated. This information is provided for general guidance only and may be incomplete or out of date — please verify all details directly with the organizer or venue before relying on them.

About Open Source Summit Japan

Open Source Summit Japan is a trade show for the IT & Software and Environment & Water industries, held in Tokyo, Japan. The 2026 edition runs 7–9 Dec 2026 at Toranomon Hills Forum.

Known editions

Venue

Toranomon Hills Forum

Tokyo, Tokyo, JP

Exhibitors

We haven't indexed the exhibitors for this event yet. We add them as events are confirmed and rosters are published — please check back soon.

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Frequently asked questions

When is Open Source Summit Japan 2026?
Open Source Summit Japan 2026 runs 7–9 Dec 2026 at Toranomon Hills Forum.
Where is Open Source Summit Japan held?
Open Source Summit Japan is held at Toranomon Hills Forum in Tokyo, Japan.
Is Open Source Summit Japan worth attending?
Open Source Summit Japan is a trade show for the IT & Software and Environment & Water industries, so it is most relevant to exhibitors and buyers in those industries. Whether it is worth attending depends on your objectives, but its scale and sector focus are a useful guide.

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