🇯🇵 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

201
Causal Discovery Lab., Shiga University (@cdt15)

cdt15

Python, Jupyter Notebook
378
star
202
Marta (@marta-file-manager)

marta-file-manager

Swift
377
star
203
Mobilus Corporation (@mobilusoss)

mobilusoss

JavaScript, Go
377
star
204
eje inc. (@ejeinc)

ejeinc

Java, Swift, C
376
star
205
@SECCON

SECCON

Python, C, PHP
375
star
206
Dive into Hacking (@DiveIntoHacking)

DiveIntoHacking

JavaScript, HTML, TypeScript
371
star
207
@hitachi-speech

hitachi-speech

HTML, Python
370
star
208
nyaos.org (@nyaosorg)

nyaosorg

Go
365
star
209
@roma

roma

Ruby, JavaScript, Java
363
star
210
Drecom Co.,Ltd. (@drecom)

drecom

Dockerfile, Ruby, JavaScript
362
star
211
@LUXOPHIA

LUXOPHIA

Pascal, C, C++
362
star
212
ISSP Materials Software Developement Group (@issp-center-dev)

issp-center-dev

Python, C++, Gnuplot
361
star
213
LaoMao.jp (@EOSLaoMao)

EOSLaoMao

Shell, C++, JavaScript
360
star
214
bitcraft Co., Ltd. (@bitcraftCoLtd)

bitcraftCoLtd

C#, JavaScript
359
star
215
ZenginCode / 統一金融機関コード (@zengin-code)

zengin-code

Ruby, TypeScript, Go
359
star
216
Cotoami (@cotoami)

cotoami

Dockerfile, HCL, Elm
356
star
217
HiganWorks LLC (@higanworks)

higanworks

Ruby, Shell, CSS
355
star
218
@OpenAyame

OpenAyame

TypeScript, HTML, Go
355
star
219
CARTA HOLDINGS, INC. (@voyagegroup)

voyagegroup

Makefile, HTML, Go
353
star
220
DBCLS (@dbcls)

dbcls

Ruby, JavaScript, TypeScript
349
star
221
aselab / Advanced Soft Engineering INC. (@aselab)

aselab

Scala, Ruby, JavaScript
342
star
222
@freee

freee

TypeScript, Ruby, CoffeeScript
342
star
223
Yamato Security 大和セキュリティ (@Yamato-Security)

Yamato-Security

Rust, Python, PowerShell
341
star
224
Bit Journey, Inc. (@bitjourney)

bitjourney

Ruby, TypeScript, JavaScript
340
star
225
JSer.info (@jser)

jser

JavaScript, HTML, TypeScript
336
star
226
GROOVE X, Inc. (@groove-x)

groove-x

Python, Go, Shell
329
star
227
@aozorahack

aozorahack

HTML, JavaScript, Ruby
327
star
228
SmartNews, Inc. (@smartnews)

smartnews

Python, API Blueprint, Go
321
star
229
tDiary (@tdiary)

tdiary

Ruby, Shell, CSS
320
star
230
TTI Computational Intelligence Laboratory (@tticoin)

tticoin

Python, C++, Java
317
star
231
CloudNativeDays (@cloudnativedaysjp)

cloudnativedaysjp

Go, HTML, TypeScript
315
star
232
Popshoot, Inc. (@popshootjapan)

popshootjapan

Go, Kotlin, Swift
314
star
233
@Safecast

Safecast

C++, C, HTML
310
star
234
Laboro.AI Inc. (@laboroai)

laboroai

Python, Jupyter Notebook, Rust
310
star
235
Sider (@sider)

sider

JavaScript
309
star
236
@sacloud

sacloud

Go, PowerShell, Ruby
309
star
237
@DSPsleeporg

DSPsleeporg

Jupyter Notebook, Python
308
star
238
bitbank, inc. (ビットバンク株式会社) (@bitbankinc)

bitbankinc

JavaScript, Java, Ruby
308
star
239
HDE, Inc. (@HDE)

HDE

Python
304
star
240
@datachainlab

datachainlab

Go, Rust, Solidity
304
star
241
Axsh Co. (@axsh)

axsh

Ruby, Shell, Go
300
star
242
@QosmoInc

QosmoInc

Jupyter Notebook, Python
296
star
243
bcgame (@bc-game-project)

bc-game-project

HTML, JavaScript, Python
292
star
244
mixi GROUP (@mixigroup)

mixigroup

Kotlin, C++, TypeScript
290
star
245
DeepX, Inc. (@DeepX-inc)

DeepX-inc

Python
287
star
246
@openameba

openameba

CSS, TypeScript, JavaScript
287
star
247
Open Touryo Projects (@OpenTouryoProject)

OpenTouryoProject

C#, JavaScript
285
star
248
Interstellar Technologies Inc. (@istellartech)

istellartech

Python, C++, Jupyter Notebook
281
star
249
Distributed Systems Group (@dsg-titech)

dsg-titech

JavaScript, Java
280
star
250
OpenTween (@opentween)

opentween

C#, HTML
279
star
251
Mozilla Japanese Community (@mozilla-japan)

mozilla-japan

JavaScript, Fluent, PHP
279
star
252
@open-rdc

open-rdc

C++, Python, MATLAB
278
star
253
TMU-NLP (@tmu-nlp)

tmu-nlp

Python, Jupyter Notebook, Scheme
278
star
254
Fujimoto Lab in KCCT (@kcct-fujimotolab)

kcct-fujimotolab

Python
277
star
255
fuRo (@furo-org)

furo-org

C++, Python
275
star
256
秘密結社シェルショッカー 日本支部 (@ShellShoccar-jpn)

ShellShoccar-jpn

Shell, HTML, C
275
star
257
Exceedone Co., Ltd. (@exceedone)

exceedone

PHP, C#, HTML
273
star
258
CureApp, Inc. (@CureApp)

CureApp

JavaScript, CoffeeScript, TypeScript
270
star
259
PIXTA Inc. (@pixta-dev)

pixta-dev

HTML, Shell, Jupyter Notebook
269
star
260
Cogent Labs (@cogentlabs)

cogentlabs

Python, JavaScript
267
star
261
Switch Science (@SWITCHSCIENCE)

SWITCHSCIENCE

C++, C, Go
263
star
262
Ministry of Economy, Trade, and Industry (@meti-dx-team)

meti-dx-team

259
star
263
@feedforce

feedforce

Ruby, Shell, Go
257
star
264
协议市场 (@HackAppSign)

HackAppSign

Python
253
star
265
Kyoto University Microcomputer Club (@kmc-jp)

kmc-jp

JavaScript, C++, Go
252
star
266
Programming Research Group @ TokyoTech (@prg-titech)

prg-titech

TeX, Python, Cuda
252
star
267
Vektor,Inc. (@vektor-inc)

vektor-inc

PHP, JavaScript, CSS
250
star
268
Mashmatrix, Inc. (@mashmatrix)

mashmatrix

TypeScript
248
star
269
JPKI (@jpki)

jpki

Go
248
star
270
Claude Tech (@claudetech)

claudetech

JavaScript, CoffeeScript, Go
247
star
271
Gehirn Inc (@GehirnInc)

GehirnInc

Go, Python, JavaScript
244
star
272
seichi.click network (@GiganticMinecraft)

GiganticMinecraft

Rust, Kotlin, Scala
240
star
273
Code for FUKUI (@code4fukui)

code4fukui

JavaScript, HTML, Swift
238
star
274
時雨堂 WebRTC ビルド (@shiguredo-webrtc-build)

shiguredo-webrtc-build

Python
237
star
275
SEQSENSE (@seqsense)

seqsense

Go, Shell, C++
236
star
276
Haskell-jp (@haskell-jp)

haskell-jp

Haskell, Shell, JavaScript
236
star
277
Link-U (@link-u)

link-u

Jinja, C++, Shell
234
star
278
@MIERUNE

MIERUNE

Python, Rust, JavaScript
233
star
279
@Dreamtonics

Dreamtonics

C++, Lua
232
star
280
@ROBOTIS-JAPAN-GIT

ROBOTIS-JAPAN-GIT

Python, CMake, C++
229
star
281
ilivebox.net (@ilivebox)

ilivebox

JavaScript
229
star
282
Degica (@degica)

degica

Ruby, C++, Go
229
star
283
BEG (@Yancey-Blog)

Yancey-Blog

TypeScript, JavaScript, Dart
225
star
284
MUX Lab (@muxlab)

muxlab

JavaScript, HTML
222
star
285
Aegif (@aegif)

aegif

Java, C#
220
star
286
@DeployGate

DeployGate

Ruby, Java, Objective-C
220
star
287
Monaca (@monaca)

monaca

JavaScript, CSS, Objective-C
219
star
288
@reazon-research

reazon-research

Python, C
218
star
289
atWare, Inc. (@atware)

atware

Java, HTML, JavaScript
215
star
290
@SecureSkyTechnology

SecureSkyTechnology

Java, PHP, JavaScript
215
star
291
@feathericon

feathericon

CSS, JavaScript, SCSS
214
star
292
Whatever Co. (@Whatever-Co)

Whatever-Co

JavaScript, C#
214
star
293
TAROSKY INC. (@tarosky)

tarosky

PHP, Go, Python
214
star
294
RIKEN R-CCS (@RIKEN-RCCS)

RIKEN-RCCS

C++, C, HTML
209
star
295
Clarity (@ClarityCafe)

ClarityCafe

JavaScript, TypeScript, Python
209
star
296
@RubyMotionJP

RubyMotionJP

JavaScript, Java
208
star
297
@Infragistics

Infragistics

C#, JavaScript, TypeScript
206
star
298
Codeer (@Codeer-Software)

Codeer-Software

C#, JavaScript
206
star
299
Medmain Inc. (@medmain)

medmain

JavaScript
206
star
300
CAMPHOR- (@camphor-)

camphor-

Ruby, Rust, Go
205
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

* More analytics for signed in users.