OfficialUpcoming© Comyu · CC BY-SA 3.0CEATEC 2026
Japan's premier tech expo, where AI, robotics, mobility and IoT from hundreds of companies and startups go hands-on under one roof.
Tue, Oct 13, 2026 10:00 JST TokyoFree
When
Date
Theme
City
OfficialUpcoming© Comyu · CC BY-SA 3.0
OfficialUpcoming© Joseph Breck & Sons;
New England Agricultural Warehouse;
Henry G. Gilbert N · No restrictionsInter BEE 2026
Japan's largest media, broadcast and pro-AV technology show—cameras, audio, lighting, XR and content tech under one roof.
Wed, Nov 18, 2026 10:00 JST TokyoFree
OfficialUpcoming© Henxter · CC BY-SA 4.0Belgian Beer Weekend Shinjuku 2026
An indoor winter edition of Belgian Beer Weekend in Shinjuku's airy Sankaku Hiroba — 60-plus Belgian beers, cheese-and-chocolate pairings and embassy chef dinners, warm and comfortable.
Wed, Dec 2, 2026 16:00 JST TokyoFree
OfficialUpcoming© Vincent van Gogh · Public domainTokyo Auto Salon 2027
Japan's wildest custom-car show, where 300,000 fans crowd in for tuned machines, concept builds and motorsport glamour.
Fri, Jan 15, 2027 09:00 JST TokyoAdvance digital ticket only, around ¥3,000 (weekend day); preschoolers free with an adult.
OfficialUpcoming© Satdeep Gill · CC BY-SA 4.0One World Festival
Western Japan's biggest international cooperation festival: NGO booths, world food stalls and global music fill the Umeda Sky Building, free to all.
Sat, Feb 6, 2027 10:00 JST OsakaFree
OfficialUpcoming© Jean-Pierre Dalbéra · CC BY 2.0BitSummit 2027 (Indie Game Expo)
Japan's largest indie game festival fills Kyoto's Miyako Messe with playable booths from developers worldwide.
Fri, May 21, 2027 10:00 JST KyotoTicketed (around ¥2,000+ per day, 2026 reference); Day 1 is business-only.
LumaPast event© 福田涼 · via LumaTokyo Pickle Club
Tokyo's friendly pickleball meetup at TIPNESS Kichijoji — paddles provided, all levels welcome.
Sat, Jun 20, 2026 20:00 JST TokyoPaid (see Luma)
LumaPast event© Proof of Sweat · via LumaEarly Summer Morning Run in Yoyogi Park
A sociable 5K morning run from Yoyogi Park's clock tower — find your pace with a friendly international run club.
Sun, Jun 21, 2026 10:00 JST TokyoPaid (see Luma)
LumaPast event© iiyon!! · via Lumaiiyon!! Run × ØL Tokyo Vol.4 (PM)
Run 5K then refuel with craft beer at ØL by Oslo Brewing — Tokyo's run-and-pint social.
Sun, Jun 21, 2026 12:00 JST Tokyo¥1,500
connpassPast event© 東京-山梨 AI ミートアップ · via connpass11th Tokyo-Yamanashi AI Meetup: Deploying Claude Code on Xserver VPS
Learn how Xserver rolled out the Claude Code AI assistant while balancing security and remote-work efficiency.
Sun, Jun 21, 2026 13:00 JST TokyoFree
LumaPast event© AmaterasSpace · via Luma2nd Human Spaceflight Summit (2026/6/21)
Founders and researchers gather at X-NIHONBASHI to talk the future of human spaceflight.
Sun, Jun 21, 2026 15:00 JST TokyoPaid (see Luma)
connpassPast event© 音声系国際会議読み会 (ICASSPEECH) · via connpassICASSP 2026 Paper Reading Session (Tokyo & Online)
A hybrid paper-reading session on ICASSP 2026 machine-learning research—speech synthesis, recognition, and voice conversion—open to all.
Mon, Jun 22, 2026 18:00 JST TokyoFree
connpassPast event© 株式会社マネーフォワード · via connpassHR × AI Mania Night #1: The Reality of HR Data Utilization
An evening on real-world HR data and AI, with People Analytics talks and group discussions among practitioners.
Mon, Jun 22, 2026 19:00 JST TokyoFree
connpassPast event© 株式会社ナレッジワーク · via connpassEncraft #25: Search Design in the Generative AI Era
Three expert sessions on vector search, embeddings, and RAG-driven AI chat, high atop Azabudai Hills.
Tue, Jun 23, 2026 19:00 JST TokyoFree
LumaPast event© Jack Teramura · via LumaElevenAgent Workshop for Engineers (Intermediate)
A hands-on intermediate workshop for engineers building with ElevenAgent voice-AI tooling.
Wed, Jun 24, 2026 15:00 JST TokyoPaid (see Luma)
connpassPast event© 株式会社スペースデータ · via connpassNext-Generation Digital Twin Technology Exchange for Physical AI (Hybrid)
NVIDIA and industry experts explore how digital twins power autonomous decisions in disaster prevention and urban infrastructure.
Wed, Jun 24, 2026 16:00 JST TokyoFree
connpassPast event© freee Tech Night · via connpassfreee Tech Night: Evolved Dev Flow with Disposable Environments
freee engineers explain disposable per-PR preview environments that tame microservice complexity in the AI-coding era.
Wed, Jun 24, 2026 19:00 JST TokyoFree
connpassPast event© ファインディ株式会社 · via connpassFindy Offline Series Thanksgiving: Pioneers' Banquet
Findy celebrates its DevRel offline community with lightning talks on the trajectories of sharing knowledge.
Thu, Jun 25, 2026 18:30 JST TokyoFree
connpassPast event© クリエイター広場 · via connpassSummer AI-Driven Development Festival: The FDE Frontier
Frontier practitioners explore AI tools, autonomous agents, code quality, and engineering careers in the AI era.
Thu, Jun 25, 2026 19:00 JST TokyoFree
connpassPast event© 株式会社サイバーエージェント · via connpassCA DATA NIGHT #10: The Right Answer for Data Platforms is Databricks
CyberAgent engineers share Databricks migration stories, analytics democratization with Genie, and secure platform design.
Thu, Jun 25, 2026 19:00 JST TokyoFree
connpassPast event© Volfgang · CC BY-SA 3.0DNS Summer Day 2026
A full-day deep dive into DNS operations, from fundamentals to advanced authoritative and resolver topics.
Fri, Jun 26, 2026 10:00 JST TokyoFree
LumaPast event© AnotherBall · via LumaEntertainment Lovers Unite #3: AI × Entertainment by AnotherBall
A meetup at the crossroads of AI and entertainment, hosted by AnotherBall for creators and fans.
Fri, Jun 26, 2026 19:00 JST TokyoPaid (see Luma)
LumaPast event© AI Builders · via LumaGemini AI Hackathon @ Google Japan (Tokyo)
Build with Gemini at Google Japan's Shibuya office — a hands-on AI hackathon for builders.
Sat, Jun 27, 2026 09:30 JST TokyoPaid (see Luma)
LumaPast event© F Ventures · via LumaTORYUMON TOKYO 2026: Homura
A flagship startup pitch and networking summit by F Ventures at Bellesalle Shibuya First.
Sat, Jun 27, 2026 12:00 JST Tokyo¥80,000
connpassPast event© サポーターズCoLab（株式会社サポーターズ） · via connpassCoLab Conf (Tech Conference)
A summer-festival tech conference on 'AI and Career' with ~20 speakers, for engineers under 35.
Sat, Jun 27, 2026 12:00 JST TokyoFree
connpassPast event© 東京Ruby会議13実行委員会 · via connpassTokyo Ruby Conference 13
A Ruby community conference on 'what lies behind the curtain,' with talks from sorah, Masayoshi Takahashi and more.
Sat, Jun 27, 2026 13:30 JST TokyoFree
connpassPast event© きのこカンファレンス実行委員会 · via connpassKinoko Conference 2026 (Main Day)
Veteran engineers (40+) share perspectives on career longevity and sustaining a life in tech.
Sun, Jun 28, 2026 10:00 JST Tokyo¥1,000 (main event); networking reception ¥3,000–¥5,000 by age
connpassPast event© 一般社団法人リサーチアソシエーション · via connpassRESEARCH Conference 2026: WEAVING
Japan's conference on design and UX research, themed 'WEAVING,' with sessions, panels and workshops.
Sun, Jun 28, 2026 10:00 JST TokyoFree
connpassPast event© 日本MySQLユーザ会(MyNA) · via connpassJapan MySQL Users Group (MyNA) Meetup, June 2026
Oracle leaders and AWS reps discuss MySQL's latest features and the future of community collaboration.
Tue, Jun 30, 2026 18:30 JST TokyoFree
connpassPast event© Server-Side Kotlin Meetup · via connpassServer-Side Kotlin LT Tournament vol.19
An offline lightning-talk night for server-side Kotlin developers, capped with a casual networking reception.
Fri, Jul 3, 2026 19:30 JST TokyoFree
JmtyPast event© ゆの (Yuno) · via jmtyUeno Japan–Korea Language & Culture Exchange
Mingle with a roughly 50/50 mix of Japanese and Korean locals over a 2-hour all-you-can-drink dinner—perfect for K-pop, K-drama and Korean-food fans.
Fri, Jul 3, 2026 19:50 JST TokyoMen ¥4,000 / Women ¥3,000
JmtyPast event© Edge place（エッヂプレイス） · via jmtyKyoto Japan–Korea Conversation Café
A relaxed Korean-conversation meetup at a Kyoto café—practice speaking at any level with seats arranged by ability, then swap contacts over coffee.
Sat, Jul 4, 2026 15:00 JST Kyoto¥1,000 (¥500 if no Korean attendees)
connpassPast event© ステラコネクト-ハーモリウム- · via connpassTry AI Vibe Coding Meetup
A hands-on Fukuoka meetup to try 'vibe coding' with AI tools like Codex and Claude—build small apps from natural-language prompts together.
Sat, Jul 4, 2026 17:00 JST FukuokaFree
LumaPast event© イワケン/岩﨑謙汰 · via LumaIwaken Lab. 5th Anniversary (Lightning Talks & Exhibition)
Iwaken Lab celebrates five years with lightning talks and a community tech showcase — free to join.
Sun, Jul 5, 2026 13:00 JST TokyoPaid (see Luma)
LumaPast event© 宇田川寛和｜TIB JAM · via LumaIDEA CLIMBING @ Tama Mirai Messe
A free idea-pitching and networking event for builders and founders, hosted at Tama Mirai Messe.
Sun, Jul 5, 2026 14:00 JST TokyoFree
connpassPast event© 株式会社タイミー · via connpassWhy Greatly Expand Product Designers in the AI Era?
A Timee case-study session on business strategy and design challenges—how product design and designers' roles evolve in the AI era.
Mon, Jul 6, 2026 19:00 JST TokyoFree
connpassPast event© Nutanix Japan G.K. · via connpassNutanix Meetup Hybrid 26.07
A hybrid meetup celebrating the new book 'Nutanix Cloud Platform Practical Guide,' with chapter walkthroughs from its authors.
Wed, Jul 8, 2026 18:30 JST TokyoFree
JmtyPast event© KIOG (Kansai International Outdoor Gathering) · via jmtyKIOG Summer Outdoor & International Gathering
Kansai International Outdoor Gathering's summer series of hikes and day trips—July 11 brings veggie-harvesting and pizza-making just north of Osaka.
Sat, Jul 11, 2026 09:00 JST Osaka¥3,190 (includes lunch)
JmtyPast event© pickle · via jmtyFree Pickleball Exchange Meetup (Kyotanabe)
A free, all-ages pickleball gathering near Odo Station bringing students, staff and locals together to play and connect across generations.
Sun, Jul 12, 2026 10:00 JST KyotoFree
connpassPast event© Volfgang · CC BY-SA 3.0Yowayowa Security Study Group #1 (Beginner-Friendly)
A relaxed, beginner-welcome security meetup blending quiet self-study time with lightning talks—for anyone curious but intimidated by hardcore sessions.
Sun, Jul 12, 2026 13:00 JST TokyoFree
connpassPast event© RailsTokyo Team · via connpassRailsTokyo #5
A Ruby on Rails community meetup in Akihabara featuring a keynote on 'SRE for Rails Engineers,' sponsor talks, and networking.
Thu, Jul 16, 2026 19:00 JST TokyoFree
connpassPast event© FlutterGakkai · via connpassFlutterGakkai #10 (Offline)
An offline Flutter developer meetup where speakers and listeners alike grow to love Flutter even more, with talks from active engineers.
Fri, Jul 17, 2026 19:00 JST TokyoFree
connpassPast event© JAWS-UG CDK支部 · via connpassAWS CDK Conference Japan 2026
The 5th annual AWS Cloud Development Kit conference at Azabudai Hills, themed 'change'—how CDK evolves alongside AI coding agents.
Sat, Jul 18, 2026 12:30 JST TokyoFree
connpassPast event© VRChat.rb · via connpassVRChat.rb #7
A Rubyist gathering inside the metaverse—Ruby fans meet in VRChat to talk tech and socialize, held during Vket 2026 Summer Tech Week.
Tue, Jul 21, 2026 22:00 JSTFree
connpassPast event© Azure AI Developers Community(JP) · via connpassAI Dev Day 2026: Date, Venue & How to Join
AI Dev Day 2026 was held on Friday, July 24, 2026 at Otemachi Place, Tokyo — a free in-person developer conference on production AI and agents. Registration closed full: 935 sign-ups across the conference and the evening reception. The connpass page is now marked closed.
Fri, Jul 24, 2026 09:30 JST TokyoConference free; +¥1,000 with networking
connpassPast event© Jean-Pierre Dalbéra · CC BY 2.0GDG Kyoto
Kyoto's Google Developer Group runs monthly study sessions and hackathons on Android, Flutter, AI/ML and Cloud.
Sat, Jul 25, 2026 13:00 JST KyotoFree
connpassPast event© Chris 73 · CC BY-SA 3.0GDG Nagoya
Nagoya's Google Developer Group gathers Tokai-region engineers for talks on Google tech, AI, Android and the web.
Sun, Jul 26, 2026 13:00 JST NagoyaFree
connpassPast event© Qiuqizhenghong · CC BY-SA 3.0Sapporo Engineer Base
Hokkaido's broad, cross-stack engineering community runs hybrid meetups to help Sapporo's developers gather, grow and connect.
Tue, Jul 28, 2026 19:00 JST SapporoFree
connpassPast event© AI駆動開発勉強会 運営委員会 · via connpassAI-Driven Development Conference 2026 Summer (On-site)
Two-day conference at Microsoft Japan exploring how generative AI and LLMs are reshaping software development, with speakers from major tech firms.
Thu, Jul 30, 2026 11:00 JST TokyoPaid (on-site); online free
connpassPast event© Type specimen · CC BY-SA 3.0JAWS-UG Osaka
One of Japan's longest-running AWS user groups, with Osaka deep-dive talks, hands-on sessions and certification prep.
Thu, Jul 30, 2026 19:00 JST OsakaFree
OfficialPast event© N509FZ · CC BY-SA 4.0Fukuoka International Center — Exchange Events
The city's foreigner-friendly hub runs welcome events, language exchange salons, homestay visits and 'warm fellowship' gatherings where locals and internationals mingle.
Sat, Sep 12, 2026 13:00 JST FukuokaFree