Tech Brunch Event
Small brunch for Vim and Neovim users in Iidabashi, sharing .vimrc and init.lua configs, plugins and modal editing tips.
In person · Kanto (Tokyo) · EN
Where Japan's entrepreneurs & engineers meet.
This week·Oct 19 – Oct 25 · 32events
Mon, October 19, 2026 past
7events
Living City Keihanna | Implementing Longevity Innovation from Keihanna to Japan
Forum on bringing pre-validated global longevity innovations to Japan via the Living Best x ATR Keihanna pathway, plus investor networking.
In person · Kanto (Tokyo) · JA/EN
HN Tokyo Meetup #128
Hacker News Tokyo social #128 in Shibuya: no formal talks, open time to share or pitch a startup idea. Small entry fee.
In person · Kanto (Tokyo) · EN
[Offline] JJUG Night Seminar: Where Spring Boot and Quarkus Stand Today
JJUG night seminar in Shinagawa: build Spring Boot Auto Configuration yourself, and tour modern Java development with Quarkus.
In person · Kanto (Tokyo) · JA
Osaka | Claude Meetup
Osaka meetup for people whose Claude rollout at work fell short: real success and failure stories, then an open discussion.
In person · Kansai · JA
Kaigi on Rails 2026 After Event from pixiv
Unofficial Kaigi on Rails 2026 after-party at pixiv HQ: engineer short talks, a guest session and DJ networking.
In person · Kanto (Tokyo) · JA
Sendagaya.rb #542
Online Ruby and Rails community meetup discussing Kaigi on Rails and RubyKaigi topics and members' development questions.
Online · JA
Tue, October 20, 2026 past
4events
Tech Brunch Event
Small Iidabashi brunch on web scraping: strategies for messy pages, proxies and browser automation frameworks.
In person · Kanto (Tokyo) · EN
[METI] Japan Innovation Campus Showcase in Tokyo: Japanese Startups Evolving in Silicon Valley
METI's Japan Innovation Campus shares three years of Japanese startups in Silicon Valley, with policy talks and a panel.
In person · Kanto (Tokyo) · JA
Global Women Leaders: TIB Lounge
Roundtable for women leaders on using community relationships as a business strategy without burning out.
In person · Kanto (Tokyo) · EN
Weekly Tuesday Meetup
Weekly Tuesday night open house at Tokyo Hackerspace in Akasaka: meet the members, see the space, and use tools if needed.
In person · Kanto (Tokyo) · EN
Wed, October 21, 2026 past
7events
Tech Brunch Event
Small Iidabashi brunch on LLMs: models, practical workflows, the math behind them and applications from mobile to AR and VR.
In person · Kanto (Tokyo) · EN
AI4S Seminar October
Online RIKEN AIP AI for Science seminar: Ken Osato on differentiable cosmological simulations and field-level analysis.
Online · EN
Snack and Connect
Weekly drop-in networking at Shibuya Startup Support's Bridge office: meet founders, investors, and the startup-curious over snacks.
In person · Kanto (Tokyo) · JA/EN
Growth Hub #18 - Inside a Japanese VC: how early-stage investment decisions are made w/ Coral Capital
Coral Capital's Tiffany Kayo on how early-stage VC decisions are made in Japan and what makes a startup venture-backable.
In person · Kanto (Tokyo) · EN
Green Drinks Kansai - Osaka
Free drop-in sustainability and cleantech networking evening at Brooklyn Parlor in Osaka, part of the global Green Drinks network.
In person · Kansai · EN
Payments & Fintech Nomikai (By stealthfounders.com)
Casual drinks in Shibuya for payments and fintech engineers, operators, founders and investors. No talks, just conversation.
In person · Kanto (Tokyo) · EN
THS "Nihongo Night" Open House
Japanese-language open house night at Tokyo Hackerspace in Akasaka: meet the members, see the space, and use tools if needed.
In person · Kanto (Tokyo) · JA
Thu, October 22, 2026 past
4events
Tech Brunch Event
A small-group breakfast in Iidabashi on NLP: math foundations, prompt engineering, context windows and the library ecosystem.
In person · Kanto (Tokyo) · EN
🇯🇵🇺🇸Antler Japan - JPN7 Residency Program | Ask-Me-Anything WEBINAR Program Info Session (Japanese/English simultaneous)
An online lunchtime AMA where the Antler Japan team answers prospective founders' questions about its JPN7 Residency program.
Online · JA/EN
Thursday Gathering #401
Venture Café Tokyo's weekly Thursday Gathering at CIC Tokyo in Toranomon, with sessions and networking, in person or online.
Hybrid · Kanto (Tokyo) · JA/EN
Space Cafe Tokyo, Oct 2026 "Brown Dwarfs"
Space Cafe Tokyo: astronomer Dr. Ján Šubjak on brown dwarfs, the objects between planets and stars, over drinks in Shimokitazawa.
In person · Kanto (Tokyo) · EN
Fri, October 23, 2026 past
5events
Claude for Islanders at Ishigaki
Tied to Islander Summit Ishigaki 2026: ideas gathered online are synthesized with Claude to feed on-site dialogue. Japanese only.
Hybrid · Kansai · JA
NAGOYA CONNÉCT #130
Venture Café innovation community night at Nagono Campus in Nagoya, with sessions and networking.
Hybrid · Chubu · JA
AI x Finance #03: Markets, Models & Institutions
Three talks on AI in finance: complex-systems investing, reliable market forecasting, and enterprise AI adoption at banks.
In person · Kanto (Tokyo) · EN
[Intermediate] Learn Enclosure Design with 3D CAD!
Intermediate workshop: design an infrared distance meter enclosure in Autodesk Fusion, with assembly and 3D-print design tips.
In person · Kanto (Tokyo) · JA
The Secret of Understanding: Magical Instructions
UX DAYS TOKYO online session on how people understand instructions, and how to design instructions that land.
Online · JA
Sat, October 24, 2026 past
3events
Marunouchi Morning Code
Free Saturday morning laptop meetup in Marunouchi for anyone into code, web, design, cloud, blockchain or AI. All levels welcome.
In person · Kanto (Tokyo) · EN
Social Hack Day #78
Code for Japan's one-day civic tech hackathon: bring a social-impact project and build it with others, in Tokyo or on Zoom.
Hybrid · Kanto (Tokyo) · JA
KARATSU | Claude Code Impact Lab: Building a Local Small Business
Hands-on hackathon in Karatsu: use Claude Code to build a business idea and prototype in 3 hours around local fishery challenges.
In person · Kyushu · JA
Sun, October 25, 2026 Today
2events
Haskell-jp Mokumoku-kai #366 @ Online
Haskell-jp's online mokumoku session: work on Haskell projects together over Slack, then share results. Free, drop in anytime.
Online · JA
[Beginner] Digital Fabrication Course: Your First Laser Cutting! Design in Affinity and Make an Acrylic Card Case
Beginner digital fabrication class: design cut data in Affinity, then laser-cut and assemble an acrylic card case.
In person · Kanto (Tokyo) · JA
