🇯🇵 Japan Organizations doing Open Source

Leading organizations in the Japan driving open source projects.

Developers

27,875

Organizations

2,530

Repositories

240,429

Top Rank

Ruby, Go, Swift

🇯🇵 Made in Japan Compare with other countries 🌐 All countries

TOP Organizations

401
Rubima (@rubima)

rubima

Ruby, CSS, HTML
129
star
402
Social Computing Lab. (@sociocom)

sociocom

Python, CSS, SCSS
129
star
403
Shiroyagi Corporation (@shiroyagicorp)

shiroyagicorp

Go, Python, Swift
128
star
404
CAMPFIRE, Inc. (@campfire-inc)

campfire-inc

Ruby, JavaScript
127
star
405
Google Cloud Japan (@google-cloud-japan)

google-cloud-japan

Go, TypeScript, Jupyter Notebook
126
star
406
Symfony Japan (@symfony-japan-old)

symfony-japan-old

JavaScript, HTML, PHP
126
star
407
Qurate® (@QurateInc)

QurateInc

JavaScript
126
star
408
@obniz

obniz

JavaScript, TypeScript, C
126
star
409
GHELIA Inc. (@ghelia)

ghelia

C#, JavaScript, C
126
star
410
RIKEN BiT (@rikenbit)

rikenbit

R, Ruby, Python
126
star
411
Xcoo (@xcoo)

xcoo

Clojure, Java, Swift
125
star
412
Xserver (@xserver-inc)

xserver-inc

CSS, PHP
125
star
413
Y-bar (@y-bar)

y-bar

Jupyter Notebook, R, Python
125
star
414
Cross Compass Ltd. (@xc-jp)

xc-jp

Haskell, Nix, PureScript
124
star
415
Techtouch, Inc. (@techtouch-inc)

techtouch-inc

Go
124
star
416
Doorkeeper (@doorkeeper)

doorkeeper

Ruby, CoffeeScript
123
star
417
HERP, Inc. (@herp-inc)

herp-inc

TypeScript, Haskell, JavaScript
123
star
418
DENKIAME (@Denkiame)

Denkiame

CSS, HTML
123
star
419
[UNMAINTAINED] (define #Fun (+ #Scheme #Erlang)) (@the-concurrent-schemer)

the-concurrent-schemer

JavaScript, Erlang
122
star
420
XFLAG Studio (@xflagstudio)

xflagstudio

Swift, Elixir, Ruby
121
star
421
Tokyo Metropolitan Government (@Tokyo-Metro-Gov)

Tokyo-Metro-Gov

Vue, JavaScript, TypeScript
120
star
422
Karesansui Project (@karesansui)

karesansui

Python
120
star
423
@japan-opendata

japan-opendata

CSS
120
star
424
@OpenJij

OpenJij

C++, HTML, Jupyter Notebook
120
star
425
HTTP/2 JP (@http2jp)

http2jp

HTML, Python
120
star
426
Natsuneko Laboratory Archives (@mika-archived)

mika-archived

C#, TypeScript, JavaScript
120
star
427
FrontISTR Commons (@FrontISTR)

FrontISTR

C++, Roff, Python
119
star
428
ノンビリ (@nonbili)

nonbili

PureScript, JavaScript
118
star
429
Computer Vision & Image Analysis Lab. @Tohoku University (@cvlab-tohoku)

cvlab-tohoku

Python
118
star
430
Arch Inc. (@arch-inc)

arch-inc

TypeScript, Dockerfile
118
star
431
Institute of Advanced Media Arts and Sciences [IAMAS] (@IAMAS)

IAMAS

Arduino
118
star
432
@feedtailor

feedtailor

Objective-C, Go
118
star
433
CoderDojo Japan (@coderdojo-japan)

coderdojo-japan

Ruby
118
star
434
@SecureBrain

SecureBrain

Python, Ruby
116
star
435
OWASP Japanese Translation Repositories (@owasp-ja)

owasp-ja

116
star
436
@fedibird

fedibird

116
star
437
@Next2D

Next2D

JavaScript, TypeScript, EJS
115
star
438
LAC (@LAC-Japan)

LAC-Japan

Python
115
star
439
@UTokyo-FieldPhenomics-Lab

UTokyo-FieldPhenomics-Lab

Python, Jupyter Notebook, CSS
114
star
440
O2 Project (@o2project)

o2project

CSS, HTML, C++
114
star
441
Bazel+Ruby (@bazelruby)

bazelruby

Starlark
113
star
442
BrainPad, Inc. (@BrainPad)

BrainPad

Python, TSQL
112
star
443
MszPro - シュンジョーァ (@mszmagic)

mszmagic

Swift
110
star
444
Tagbangers, Inc. (@tagbangers)

tagbangers

Java, TypeScript, JavaScript
109
star
445
realglobe, Inc. (@realglobe-Inc)

realglobe-Inc

JavaScript, Go, TypeScript
109
star
446
Takeuchi Lab (@takeuchi-lab)

takeuchi-lab

Python, C++, Jupyter Notebook
108
star
447
FennecLab (@fenneclab)

fenneclab

JavaScript, HTML, CSS
108
star
448
DRI (@DRI-network)

DRI-network

Solidity, Shell
108
star
449
Kusumoto Laboratory (@kusumotolab)

kusumotolab

Java, CSS
107
star
450
Watanabe-DENKI (@wdkk)

wdkk

Swift, C++
107
star
451
Hinemos (@hinemos)

hinemos

Java
107
star
452
@emojidex

emojidex

Ruby, JavaScript, Java
107
star
453
OpenStreetMap Foundation Japan (@osmfj)

osmfj

HTML, Ruby, Shell
106
star
454
@CarvueJS

CarvueJS

HTML, JavaScript
106
star
455
Dogenzaka Developers (@dogenzaka)

dogenzaka

Go, JavaScript
106
star
456
The T# Programming Language (@Tsharp-lang)

Tsharp-lang

Go, Assembly
105
star
457
TOYOKUMO (@toyokumo)

toyokumo

Clojure, TypeScript, CoffeeScript
105
star
458
neet sandbox (@neetlab)

neetlab

TypeScript, JavaScript, Rust
105
star
459
@holidays-jp

holidays-jp

PHP, HTML
104
star
460
Elix (@elix-tech)

elix-tech

Python, CSS
104
star
461
BASE, Inc. (@baseinc)

baseinc

TypeScript, Swift, HCL
103
star
462
Karappo Inc. (@karappo)

karappo

Shell, JavaScript
102
star
463
Review Graph Mining (@rgmining)

rgmining

Python
102
star
464
milkcocoa (@milk-cocoa)

milk-cocoa

JavaScript, HTML, CSS
102
star
465
@deno-ja

deno-ja

TypeScript
102
star
466
Order N: CONQUEST linear scaling DFT (@OrderN)

OrderN

Fortran, HTML
102
star
467
Twin:te (@twin-te)

twin-te

TypeScript, Go, Swift
102
star
468
OIST Cognitive NeuroRobotics Unit (@oist-cnru)

oist-cnru

Python, HTML, C++
101
star
469
コンクリートファイブジャパン株式会社 (@concrete5cojp)

concrete5cojp

PHP, Shell, CSS
101
star
470
Digital Nature Group (@DigitalNatureGroup)

DigitalNatureGroup

Jupyter Notebook, Python, JavaScript
101
star
471
Furuhashi Labs (@furuhashilab)

furuhashilab

HTML, Game Maker Language, Shell
100
star
472
@rinsuki-lab

rinsuki-lab

TypeScript, Swift, Vue
100
star
473
OPTiM Corporation (@optim-corp)

optim-corp

Go, Java, Python
99
star
474
歴史国土プロジェクト (Historical Nation Project) (@tilemapjp)

tilemapjp

C#, JavaScript, C++
99
star
475
Azisaba Network (@AzisabaNetwork)

AzisabaNetwork

Java, Kotlin, Vue
98
star
476
Hiki (@hiki)

hiki

Ruby
97
star
477
TwoGate inc. (@twogate)

twogate

SCSS, Ruby, JavaScript
97
star
478
Functional IoT (@fpiot)

fpiot

C, Makefile, CSS
96
star
479
Hitachi, Ltd. (@Hitachi)

Hitachi

Python, Java, JavaScript
96
star
480
RCOS (@RCOSDP)

RCOSDP

Python, PHP, TypeScript
96
star
481
Crocos Inc. (@crocos)

crocos

JavaScript, PHP, Go
96
star
482
Yahoo!マーケティングソリューション (@yahoojp-marketing)

yahoojp-marketing

Java, Python, PHP
95
star
483
@Tokyo-NixOS

Tokyo-NixOS

Nix, JavaScript, Haskell
95
star
484
Skypool (@skypool-org)

skypool-org

JavaScript, Batchfile, C
95
star
485
WillBooster Inc. (@WillBooster)

WillBooster

TypeScript, JavaScript, Python
95
star
486
@BardMusicPlayer

BardMusicPlayer

C#, SCSS
95
star
487
電通総研 (@dentsusoken)

dentsusoken

TypeScript, Swift, Dart
95
star
488
WACUL INC. (@wacul)

wacul

Go, JavaScript, TypeScript
94
star
489
@CIR-KIT

CIR-KIT

C++, CMake, C
94
star
490
Acroquest Technology (@acroquest)

acroquest

JavaScript, Java, Groovy
93
star
491
@mobalean

mobalean

Ruby
93
star
492
Gemcook, Inc. (@gemcook)

gemcook

JavaScript, TypeScript, Go
92
star
493
Esri Japan (@EsriJapan)

EsriJapan

JavaScript, Python, Jupyter Notebook
92
star
494
@BlueLightJapan

BlueLightJapan

PHP, Java, C
92
star
495
Computational Materials Science Initiative (@cmsi)

cmsi

Shell, TeX, C++
92
star
496
@SoftUmeYa

SoftUmeYa

HTML, C
91
star
497
ToaruOS (@toaruos)

toaruos

C
91
star
498
NIFCLOUD (@nifcloud)

nifcloud

Go, Python, Shell
90
star
499
@DENSORobot

DENSORobot

C, C++
90
star
500
CALIL Inc. (@CALIL)

CALIL

JavaScript, Python, HTML
89
star

Statistics

By location

Osaka 10.1%
Kyoto 9.7%
Yokohama 8.6%
Fukuoka 7.4%
Nagoya 4.5%
Other 59.8%

By programing language

JavaScript
 		18.8%
Python
 		15.0%
Ruby
 		7.4%
TypeScript
 		7.2%
C++
 		5.9%
Other 		45.8%

World rating by programing language (country/rank)

Ruby
 		3
Go
 		6
Swift
 		6
Vue 		6
Rust
 		7

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