IT Conference
Calendar 2026

4 flagship events 3+ monthly meetups 12 k peak visitors ¥0 admission at all listed events

GDG / Google Community Developer Conference Startup / Deep-tech Trade Show / B2B Network Operators Open Source Community Meetup

Jan Held

OSC 2026 Osaka Jan 31 Open Source Osaka Industrial Creation Hall

Feb Held

JANOG57 Feb 11–13 NetOps Grand Front Osaka 100+ booths

Mar

Apr Held

Build with AI Kansai 2026 Apr 19 GDG IPUT Osaka, Umeda 300 in-person

May

Jun Now

OKTech Kansai Jun 20 Meetup R3 Institute / gusuku OSAKA 2,000+ members

Jul

Google I/O Extended Osaka Jul 18 GDG QUINTBRIDGE, Osaka 100 in-person

OKTech Kansai Jul 18 Meetup Cybozu Osaka, 35F

Aug

Developers Summit KANSAI 2026 Aug 21 Dev Conf ★ FLAGSHIP Umeda South Hall, 11F 18 sessions · 2 tracks

OKTech Kansai Aug 29 Meetup R3 Institute

Sep

Oct

Global Startup EXPO 2026 Oct 5–7 Deep Tech ★ FLAGSHIP Knowledge Capital / Grand Green Osaka Bio · AI · Quantum · Space ^[5]

Nov

Japan IT Week & DX Week Osaka Nov 18–20 Trade Show ★★ LARGEST INTEX Osaka 250 exhibitors · 12 k visitors

Dec

Recurring Communities

OKTech Kansai

Monthly · Saturdays · English
Kansai's largest English-speaking tech meetup · 2,000+ members · free ^[9]

Lambda Kansai

Regular reading groups · Online + in-person
Functional programming (FP in Lean) · Osaka-based ^[10]

Osaka WDDM

Monthly · English
Web Designers & Developers · 1,400+ members ^[11]

Ruby Kansai

3–4× / year · Japanese
1,400+ members ^[11]

PyData Osaka

3–4× / year · Japanese
400+ members ^[11]

Watch List — Date TBD

◆ Frontend Conference Kansai 2026 Expected late 2026 — staff recruitment kicked off Mar 2026 ^[12]

◆ JANOG58 Biannual; Jul 2026 location TBD

◆ Tech Osaka Summit 2027 Jan 26–27, 2027 · Grand Front Osaka North · 3,500+ past attendees