Explore the most talented GitHub developers from Japan. Rankings updated daily based on contributions and influence.
@keijiro
@kenjinote
@onevcat
Unity Technologies Japan
LINE Corp.
Freelancer
Jobleap.cn
Ruby Association,NaCl
CyberAgent, Inc.
@hsiaoming
unemployed
Blue Whale Systems
@google
Retired
@ppy
Nakazawa Tech
PLAID, inc.
blueimp.net
@Cysharp
@square
@AsahiLinux
@cloudflare
@OpenGenus
Freelance
@heyinc
Danmaku Council
WFS, Inc.
@mujin
Odencat
❤️ @reactjs ❤️ @algorithmshub ❤️
GitHub
N/A
LogicVein, Inc
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Preferred Networks Inc.
Cyberdyne
AIST
@line
NTT
We sell fruit. ¯\_(ツ)_/¯
Microsoft
@fastly
@ruby @rubygems @rbenv @88labs @andpad-dev
@Instagram
DETOR
@HMUniversity
Towersquest Inc.
Planet Chili
@ikyucom
void (0)
Cybozu, Inc.
@surrealdb, @freee, @actions-runner-controller
OpenAI
STORES, Inc.
@SakanaAI
Frontend Armory
@vercel
DG Lab
@yet-another-ai
Nursing home. Care worker
@eure
@Sunset-Edu-Tech-Group
@speedshop
ラムダ技術部
Nihon Ruby-no-Kai
@starley-ai
Sakura Internet
@mercari
Nullschool Technologies Inc.
@denoland
Light Transport Entertainment, Inc.
recruiters: don't email me
@ivry-inc | AS59128 @kmc-jp
@ocaml @tc39
TIS inc.
mercari
VMware
@globalbrain
Merpay, Inc.
masuidrive
@railwayapp
Medley, Inc.
Blockchain
Ex-Mozilla
@smartnews
Google
Copia
merpay, Inc.
University of Tsukuba
Dwango
@paritytech
KLab Inc,
Hatena Co., Ltd.
Mercari
@gaudiy
@future-architect
@flufflop
Centax Inc.
io-meter.com
Japan
backspacetokyo
@6over3
@hashninjas
株式会社テックリード
@line, @elevenback
SRE at @10xinc
@pixiv Inc, pixiv desktop
arXiv / Cornell University
yoppa.org
@xica
@arkedge
@stability.ai
Japan Drones
Hugging Face
LY Corporation
mxxn
Yuiseki Inc.
LY corp.
Treasure Data Inc.
@tailor-inc / 101000LAB
@u-next
@tantivy-search
Postman
Samuraism Inc.
@oven-sh
@Goodnotes
自由职业
chainbase
Rakuten
Game Developer
@abema, @CyberAgent
AWS
@bw-company
Rhizomatiks
PixelGrid, Inc
@clear-code
IIJ Innovation Institute Inc
AMAZON JP
@estie-inc
http://konduit.ai/
@DatraAI
reiwatravel
@utsuboco
Freelance, Ruby-no-Kai
N/A (private)
Recruit Co. Ltd, NIJIBOX Co. Ltd
Sparticle Inc
GMO Pepabo, Inc.
@Mirascope
Preferred Networks
@turingmotors
@trimble-oss @htmlhint @h5bp
@cutiepi-io
Ashikaga University of Technology
teamLab
U-NEXT
ArkEdge Space Inc.
SonicGarden Inc.
@laststance
Woven by Toyota
@CyberAgentAILab
Univ. Tokyo / Preferred Networks
SAKURA Internet
@dailab, @udacity
@bitkey-oss
@CotEditor
Keio University
IDEO;PLUS
@ruby, @moneyforward
@linkx-dev
@esteelauder
Individual
Preferred Networks @pfnet
LINE Fukuoka
sugi.cc
ZOZO, Inc
@basemachina
@sakura-internet
The University of Tokyo
None
@react-native-community
KiKaBeN LLC
LINE
Google, Inc.
ClearCode Inc. http://www.clear-code.com/
ESM, Inc. (@esminc)
Tripla K.K.
@ubie-inc
@DeepDive-Inc
@lifebear
@pfnet
@degica
visionOS / iOS Developer | AR ML CV
さくらインターネット
NBCUniversal / PeacockTV / Sky UK
Software Engineer
@node-stock
University of Tokyo
@ayanel, @triax
DLsite viviON, Inc.
@github
@notahotel
MATSUOKAMAN Transport
Treasure Data
@moneyforward
Spot, Inc.
Sakana AI
Kyoto University
@Sheet0
KCN-Server Copyright © 2023-2025
@pixiv Inc. and @emacs-php
@pixiv
@voidzero-dev
@ACDIVOCATech
@sony @ros2 @kubernetes @kubeedge @cilium @Haivision
davetangdotorg
ENYK Inc.
Knowledge Work Inc.
SEQSENSE, Inc. (@seqsense)
Tokushima University (徳島大学)
RINEARN
AH Tokyo General Hospital
Sansan, Inc.
SAKURA internet Inc.
@geolonia
Theoria technologies
@DimensionDev
ASTROMANTIC CHARM SCHOOL
Lokka, inc
Tokyo Institute of Technology
Pionero
JetBrains
Supabase
Nature Inc.
Qosmo, Inc.
Librize LLC / OpenSource Cafe, Shimokitazawa
@fuller-inc
Makuake, inc.
Timee, Inc. -- @Taimee
PEZY Computing K.K.
Pirika, Inc.
@DeNA
Kumogata computing laboratory
Cotonoha
Idein Inc.
Microsoft Japan
Repro inc
@chatwork
YAuth.jp LLC
CloudBees
@naist-nlp
@YassLab Inc.
@hokutoresident
_
Ricerca Security, Inc.
Sharp
@IssueHunt
国立音ノ木坂学院
Coders.Tokyo
viviON, Inc.
a certain research institute
ByteDance
Kitasenju Design
studio
PERSOL CROSS TECHNOLOGY CO., LTD.
SonyAI
@Voicevox
Kinoco LLC.
@Mapbox
LINEヤフー
@JuliaComputing
System Engineer
@AKARI-Inc @numfocus
SmartNews, Inc.
@mercari @metakgp
@wantedly
Cybozu Labs, Inc.
@Whatever-Co
stu.inc
HENNGE K.K.
SmartHR, Inc.
Nota Inc.
@colopl
Wolfchief, Inc.
unshift Inc.
Shibaura Institute of Technology
Eneim Labs
SAI-Lab Co., Ltd.
@kkhs
JuliaLang user
@elastic
@instance0
@tokyodev-inc
@codetakt
@goalistdeveloper
NULL
@woltapp
@cookpad
narrative nights inc.
Abby
@apple
DENSO IT Laboratory, Inc.
NaCl
Serverless Operations, Inc
jig.jp
@axelspace
ComplerE, Inc
SANU Inc.
HENNGE, K.K. (HDE, Inc.)
@h2oai @sony
@autifyhq
@NVIDIAGameWorks
@tier4
Timee
Dot Product AI
MUJIN Inc
Ph.D, Professor, WASEDA University
Stamp Inc
Feel Good Inc.
FOLIO
@comici
HERP, Inc.
EAGLYS, Inc.
@miraclelinux
Mashmatrix, Inc.
@88labs (ANDPAD)
@opencollector
freee K.K.
@KamePowerWorld
Figma, Inc.
@recruit-tech
@sterrasec
Preferred Networks, Inc. (@pfnet)
D
personal
KBOY Inc.
Individual Developer
Big Paua
Indian Institute of Information Technology & Management
myb design
@fastretailing
willnet inc.
student
@mates-system
@Jij-Inc
Earth
g200kg
4D
Art &Mobile
@quipper
Engineering
Mercari, Inc
@AUGMXNT
KOMOJU by @degica
@cybozu / @kintone
covelline, LLC.
SmartNews
YUMEMI Inc.
Roblox
MAPconcierge
Launchable, Inc.
H2Corporation
@hackcave
esa LLC
@space-pirates-llc
Mobile Application Engineer
Mercari, Inc. @mercari
Craftsman Software, Inc.
@NaCl-Ltd
@tsurucapital
M3, inc.
@stripe
@MercuryTechnologies
The University of Electric Communications
@KOMOJU
a
LayerX Inc.
@mercari, @saifuwallet
@csg-tokyo
freelance
Faculty of Systems Engineering, Wakayama University
Tably, Inc.
The University of Hong Kong
DIVIC Corp.
Rich & Miyu
@kotoba-tech
@akane-blue
@oist
Tatsu-zine Publishing Inc.
TreeFrog Framework Project
@codezoned @synspective @zeals-co-ltd
King's Colledge London
@AnimeSwap
IVRy Inc.
@ghost
Elyza, inc
糸井HD
Tachikoma AI
Shopify
@databricks
@evilmartians
@evex-dev
Preferred Networks, Inc.
Jij, Inc. @Jij-inc
Givery, Inc.
@datachainlab @speee
Future Architect, Inc.
1x1 Inc.
10X, Inc.
NE Inc.
TaaaS
Rakuten Group, Pre: GREE Inc.
Frontend engineer
curiosity, Inc.
MESON
mcsGear
COCOTONE, Inc. / JUCE JAPAN / Outlaw Faction
@pixiv Inc.
@mantra-inc
LY Corporation, Kyoto University
future architect, inc. japan
http://twitter.com/ichikaway
dcSpark
@solana-labs
@InboundPlatformCorp
Authlete, Inc.
@amzn
IFURAI Museum (http://www.ifurai.jp/)
GREE, Inc.
GameMicro
Spinners Inc.
Ricksoft Co., Ltd.
@myshell-ai
Turing Inc.
@hatena
Celo Foundation
@treasure-data
@kotonoha-system
Sony
Cybozu Labs Inc.
SMS Co., Ltd.
歯茎を噛むと林檎から血が出る
@loilo-inc
OpenStreetMap Foundation Japan
Creasty
Internet Initiative Japan Inc.
@pfnet @scalar-labs
@WHILL
@pezy-computing
newmo
newmo, inc
Nalalys
Kanmu, Inc. @kanmu
funnyface, inc.
toraco, Inc.
Preferred Networks, Inc. @pfnet
Life is Tech,Inc
Miraito Design
CyCraft
@xc-jp
fjord,inc
Synchrobo, inc
Gijutsu-Hyoron Co.,Ltd.
@Finatext
Enishi Tech Inc.
eureka, Inc.
@DeNA Co., Ltd.
XVI Inc.
@chronosphereio
Tsukurusha, LLC
Hatena Co., Ltd. / @hatena
Red Hat
╮(╯_╰)╭
Code Chrysalis
@aws
