Open Source Summit Japan 2026
Overview
Japan's premier open source conference, organized by the Linux Foundation. Tracks span the Linux kernel, cloud native, and open source AI, offering direct access to maintainers and community leaders from around the world. Linus Torvalds delivered a 2025 keynote; the 2026 edition is co-located with ELC Asia and the Automotive Linux Summit.
Program
- Three days, nine tracks (including Linux, Cloud & Orchestration, Open AI + Data, Zephyr and Safety-Critical Software)
- Co-located with Embedded Linux Conference (ELC Asia) and Automotive Linux Summit
- Keynotes each morning (speakers not yet announced)
- Sessions, BoFs, lightning talks and sponsored sessions across up to seven parallel rooms
- Solutions Showcase expo, Tux Trek, Women and Non-Binary Lunch, LFX Mentorship Showcase
Speakers from past editions
- Linus Torvalds (creator of Linux and Git, 2025 keynote)
- Dirk Hohndel (Verizon, interviewer for the 2025 keynote conversation)
Foundation
- Founded
- 2017
- Founder
- The Linux Foundation launched Open Source Summit Japan by consolidating and renaming its flagship LinuxCon Japan and related events
It evolved from the LinuxCon era to cover the full breadth of open source technology, from Linux to cloud and containers.
Transition
- 2017 LinuxCon Japan and related events consolidated into Open Source Summit Japan
- 2025 Held in December at Toranomon Hills, with Linus Torvalds giving a keynote in conversation format
- 2026 Held December 7-9 at Toranomon Hills Forum, co-located with ELC Asia and the Automotive Linux Summit
Voices
Rich learning across AI, cloud native, and observability sessions.
Seeing Linus Torvalds in person for the first time was unforgettable.
The moment nearly the entire room raised their hands to "Who uses Git?" captured the sense of unity.
In the News
- "AI is overhyped, but as a tool I believe in it a lot": what Linus Torvalds said in his Open Source Summit Japan keynote in Tokyo, part 1 (in Japanese)
- "The bug you fix is not only your own": what Linus Torvalds said in his Open Source Summit Japan keynote in Tokyo, part 2 (in Japanese)
- No excitement wanted in kernel development: Linus Torvalds on his approach to Linux development at Open Source Summit Japan 2025 (in Japanese)
Sponsors
Diamond
-
Google
Platinum
-
AGL -
Honda -
Renesas
Gold
-
AWS -
CIP-horizontal -
Cybertrust -
Hitachi -
LavinMQ -
OpenSearch
Silver
-
Panasonic Automotive -
Red Hat -
Sonatype
Bronze
-
arm -
Black Duck OSSJ -
CloudEdge Fusion -
ELISA Project -
LPI Japan -
Soda Foundation -
Zephyr Project
Source: official sponsor list (as of October 9, 2026)
CEATEC
Japan's largest IT and electronics exhibition. Organized by JEITA, held annually in October at Makuhari Messe. The 2026 theme is 'Transformation.' Over 800 exhibitors and approximately 100,000 visitors. Free admission with registration.
Japan Mobility Show Bizweek 2026
A B2B mobility co-creation event hosted by the Japan Automobile Manufacturers Association (JAMA). Held in the interim year of the main Japan Mobility Show (biennial at Tokyo Big Sight, drawing about one million visitors), co-located with CEATEC at the same venue and dates. Focused on business matching among automakers, startups, universities, and cross-industry companies, with the online matching tool Meet-up Box available before and after the show.
GREE Tech Conference 2026
A technology conference hosted by GREE Holdings under the theme "How We Build", framed around the process of development rather than the finished product. Three parallel tracks cover AI, data analysis, game development, infrastructure, and security, with a keynote by the company's Masaki Fujimoto. Free to attend in a hybrid format, including seats that come with an office tour.