Developer conferences in Japan 2026
There are 9 developer conferences in Japan with a 2026 edition and a public sponsor or exhibitor list or published sponsorship prices. The biggest is Go Conference 2026, with 81 companies listed.
Japan
Countries
2026, Next 90 days
Size
Companies listed
Prices
Sponsorship packages
Type
Trade shows: 100 or more exhibitors, or an expo floor on the organizer’s own description.
4 events · reset filters
| # | Conference | Companies | New | Returning | Packages from |
|---|---|---|---|---|---|
1. Open Source Summit Japan Dec 7–9, 2026 · Tokyo, Japan | 20companies | ||||
2. Embedded Linux Conference Asia Dec 7–9, 2026 · Tokyo, Japan | 19companies | ||||
3. Tokyo Test Fest Nov 12–13, 2026 · Tokyo, Japan | 11companies | ||||
4. Japan IT Week Nov 18–20, 2026 · Osaka, Japan | 7companies | +1new | 55%returning |
Companies: sponsors and exhibitors on each event’s current edition, read from its own directory, sponsor page or prospectus. New: not listed at the previous edition. Returning: share of the previous edition’s companies listed again.
Key facts
Across the 9 developer conferences in Japan 2026.
Questions
What are the biggest developer conferences in Japan with a 2026 edition?
By companies listed at their current edition: Go Conference (81), DroidKaigi (59), Kaigi on Rails (56), RubyKaigi (38), Open Source Summit Japan (20).
Which developer conferences in Japan with a 2026 edition are coming up next?
Tokyo Test Fest (Nov 12–13, 2026, Tokyo); Japan IT Week (Nov 18–20, 2026, Osaka); Open Source Summit Japan (Dec 7–9, 2026, Tokyo); Embedded Linux Conference Asia (Dec 7–9, 2026, Tokyo).