🇯🇵 Japan Open Source Contributors

Discover the top open source developers from the Japan who are revolutionizing the IT world with their exceptional talent and ground-breaking projects.

Developers

27,285

Organizations

2,489

Repositories

233,658

Top Rank

Ruby, Scala, Go

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

Top Contributors

1
Daichi Furiya (@wasabeef)

wasabeef

Java, Dart, Kotlin
95,769
star
2
Keijiro Takahashi (@keijiro)

keijiro

C#, JavaScript, C
86,188
star
3
Chris Garry (@chrislgarry)

chrislgarry

C, Python, Shell
56,184
star
4
Sebastian Tschan (@blueimp)

blueimp

JavaScript, Go, Shell
51,211
star
5
@mattn

mattn

Go, Vim Script, C
50,851
star
6
Wei Wang (@onevcat)

onevcat

Swift, Objective-C, JavaScript
46,271
star
7
The Ruby Programming Language (@ruby)

ruby

Ruby, C, TypeScript
41,093
star
8
Denny Britz (@dennybritz)

dennybritz

Jupyter Notebook, JavaScript, Scala
38,357
star
9
@Shougo

Shougo

TypeScript, Vim Script, Python
31,640
star
10
@nagadomi

nagadomi

Lua, C, C++
30,919
star
11
Rui Ueyama (@rui314)

rui314

C, C++, Go
29,641
star
12
Linda_pp (@rhysd)

rhysd

Vim Script, TypeScript, Rust
26,511
star
13
Cysharp, Inc. (@Cysharp)

Cysharp

C#, Rust, JavaScript
25,570
star
14
Shuichi Tsutsumi (@shu223)

shu223

Objective-C, Swift, PHP
25,148
star
15
Chris Kempson (@chriskempson)

chriskempson

PHP, Ruby, Vim Script
24,591
star
16
Norbert Preining (@norbusan)

norbusan

Python, C, Perl
23,610
star
17
Kishikawa Katsumi (@kishikawakatsumi)

kishikawakatsumi

Swift, Objective-C, HTML
21,946
star
18
Atsushi Sakai (@AtsushiSakai)

AtsushiSakai

Python, C++, Julia
21,697
star
19
void (@komeiji-satori)

komeiji-satori

PHP, Java, JavaScript
21,452
star
20
Brett Wooldridge (@brettwooldridge)

brettwooldridge

Java, Python, ANTLR
21,213
star
21
LINE (@line)

line

Python, JavaScript, Go
20,066
star
22
Kentaro Wada (@wkentaro)

wkentaro

Python, Shell, TeX
18,551
star
23
Daishi Kato (@dai-shi)

dai-shi

TypeScript, JavaScript, HTML
18,354
star
24
STF (@openstf)

openstf

JavaScript, Makefile, CoffeeScript
17,656
star
25
Kakigōri Maker (@Mikubill)

Mikubill

Go, Python, Dockerfile
17,532
star
26
Raphaël Benitte (@plouc)

plouc

JavaScript, Go, TypeScript
16,903
star
27
Hsiaoming Yang (@lepture)

lepture

Python, JavaScript, CSS
16,884
star
28
Francisco Presencia (@franciscop)

franciscop

JavaScript, HTML, PHP
16,838
star
29
Philippe Rémy (@philipperemy)

philipperemy

Python, Java, MATLAB
16,713
star
30
@itchyny

itchyny

Vim Script, Go, Rust
16,705
star
31
Yusuke Endoh (@mame)

mame

Ruby, JavaScript, C
16,563
star
32
@mob-sakai

mob-sakai

C#, JavaScript, TypeScript
15,235
star
33
Maple (@humiaozuzu)

humiaozuzu

Python, JavaScript, Vim Script
14,941
star
34
@bannzai

bannzai

Swift, Ruby, Go
14,668
star
35
Kenji Hiranabe (@kenjihiranabe)

kenjihiranabe

Ruby, PostScript, C++
14,405
star
36
Yoshifumi Kawai (@neuecc)

neuecc

C#, JavaScript
14,326
star
37
@hrsh7th

hrsh7th

Vim Script, Lua, TypeScript
13,897
star
38
Kevin (@kevinzhow)

kevinzhow

Swift, Objective-C, JavaScript
13,570
star
39
Unity Technologies Japan (@unity3d-jp)

unity3d-jp

C#, C++, JavaScript
13,159
star
40
Takashi Kitao (@kitao)

kitao

Python, Ruby, JavaScript
13,152
star
41
Takuya Matsuyama (@craftzdog)

craftzdog

JavaScript, TypeScript, Java
12,977
star
42
Sony (@sony)

sony

Python, C++, JavaScript
12,197
star
43
Hajime Hoshi (@hajimehoshi)

hajimehoshi

Go, JavaScript, Ruby
12,009
star
44
Ryo Aoyama (@ra1028)

ra1028

Swift, Objective-C
11,734
star
45
Hiroki Nakayama (@Hironsan)

Hironsan

Python, Jupyter Notebook, JavaScript
11,493
star
46
@ctgk

ctgk

Python, Jupyter Notebook, Shell
11,088
star
47
@azu

azu

JavaScript, TypeScript, Objective-C
11,032
star
48
@sureJiang

sureJiang

Objective-C
11,014
star
49
Soichiro Kashima (@ksoichiro)

ksoichiro

Java, Groovy, JavaScript
10,986
star
50
Koute (@koute)

koute

Rust, Shell, JavaScript
10,892
star
51
@shirou

shirou

Go, Python, TypeScript
10,452
star
52
kazuya kawaguchi (@kazupon)

kazupon

JavaScript, TypeScript, Vue
10,167
star
53
Yusuke Inuzuka (@yuin)

yuin

Go, Python, C++
9,717
star
54
Johan Nordberg (@jnordberg)

jnordberg

JavaScript, CoffeeScript, TypeScript
9,296
star
55
Akira Matsuda (@amatsuda)

amatsuda

Ruby, JavaScript, HTML
9,176
star
56
@ogaclejapan

ogaclejapan

Java, Shell, Ruby
9,082
star
57
Hector Martin (@marcan)

marcan

Python, C, Shell
8,964
star
58
Yuka Ka (@yuk7)

yuk7

Shell, Kotlin, C
8,944
star
59
@bokuweb

bokuweb

JavaScript, TypeScript, Rust
8,844
star
60
Carbo Kuo (@BYVoid)

BYVoid

C++, JavaScript, C#
8,775
star
61
hiroki osame (@privatenumber)

privatenumber

TypeScript, JavaScript, Vue
8,674
star
62
Toru Nagashima (@mysticatea)

mysticatea

JavaScript, TypeScript, HTML
8,633
star
63
Machine Learning Tokyo (@Machine-Learning-Tokyo)

Machine-Learning-Tokyo

Jupyter Notebook, Python, C++
8,609
star
64
K Lange (@klange)

klange

C, Python, Shell
8,583
star
65
Taiki Suzuki (@marty-suzuki)

marty-suzuki

Swift, Objective-C, Kotlin
8,539
star
66
Yuki Hattori (@yhatt)

yhatt

JavaScript, Vue, TypeScript
8,517
star
67
Maxence Charriere (@maxence-charriere)

maxence-charriere

Go, C#, JavaScript
8,334
star
68
O'Reilly Japan (@oreilly-japan)

oreilly-japan

Python, Jupyter Notebook, JavaScript
8,220
star
69
Katsuya Hyodo (@PINTO0309)

PINTO0309

Python, Dockerfile, Shell
8,078
star
70
@c-bata

c-bata

Python, Go, JavaScript
8,074
star
71
@TakuSemba

TakuSemba

Kotlin, Java, Go
7,846
star
72
Matt Andrews (@matthew-andrews)

matthew-andrews

JavaScript, HTML, Go
7,845
star
73
Clipy Project (@Clipy)

Clipy

Swift, HTML
7,820
star
74
Eitaro Fukamachi (@fukamachi)

fukamachi

Common Lisp, Emacs Lisp, JavaScript
7,581
star
75
Domenic Denicola (@domenic)

domenic

JavaScript, CoffeeScript, HTML
7,443
star
76
Λlisue (Ali sue・ありすえ) (@lambdalisue)

lambdalisue

Vim Script, Python, TypeScript
7,364
star
77
@simeji

simeji

Vim Script, Ruby, Go
7,222
star
78
Masafumi Oyamada (@mooz)

mooz

JavaScript, Emacs Lisp, Python
7,189
star
79
Haruki Hasegawa (@h6ah4i)

h6ah4i

Java, C++, Kotlin
7,089
star
80
Ryuichi Yamamoto (@r9y9)

r9y9

Python, Julia, Jupyter Notebook
7,064
star
81
Boris Cherny (@bcherny)

bcherny

TypeScript, JavaScript, CoffeeScript
7,044
star
82
Guo Yu (@guo-yu)

guo-yu

JavaScript, CSS, Perl
7,034
star
83
@dalance

dalance

Rust, Vim Script, C#
6,954
star
84
@hecomi

hecomi

C#, C++, C
6,930
star
85
Yosuke Kurami (@Quramy)

Quramy

TypeScript, JavaScript, Vim Script
6,748
star
86
@mattatz

mattatz

C#, JavaScript, Rust
6,732
star
87
Ryo Ota (@nwtgck)

nwtgck

TypeScript, Go, Vue
6,596
star
88
Takumasa Sakao (@sachaos)

sachaos

Go, Shell, Emacs Lisp
6,512
star
89
Hiraku NAKANO (@hirak)

hirak

PHP, Go, JavaScript
6,478
star
90
Takuto NAKAMURA (Kyome) (@Kyome22)

Kyome22

Swift, Objective-C, JavaScript
6,364
star
91
Hideo Hattori (@hhatto)

hhatto

Rust, Python, Go
6,359
star
92
JPCERT Coordination Center (@JPCERTCC)

JPCERTCC

Python, HTML, JavaScript
6,291
star
93
Kittinun Vantasin (@kittinunf)

kittinunf

Kotlin, Swift, C++
6,241
star
94
Shohei Ueda (@peaceiris)

peaceiris

TypeScript, Dockerfile, Shell
6,215
star
95
PokéAPI (@PokeAPI)

PokeAPI

JavaScript, Python, Shell
6,187
star
96
Masayuki Suda (@MasayukiSuda)

MasayukiSuda

Java, Kotlin, Dart
6,179
star
97
ソ瑠璃(soruly) (@soruly)

soruly

JavaScript, HTML, TypeScript
6,178
star
98
Ryo Nakao (@nakabonne)

nakabonne

Go, C#, JavaScript
6,138
star
99
神代綺凛 (@Tsuk1ko)

Tsuk1ko

JavaScript, Shell, TypeScript
6,118
star
100
CotEditor Project (@coteditor)

coteditor

Python, AppleScript, Ruby
6,112
star

Statistics

By location

Kyoto 9.9%
Osaka 9.9%
Yokohama 8.6%
Fukuoka 7.2%
Nagoya 4.5%
Other 59.9%

By programing language

JavaScript
18.9%
Python
14.8%
Ruby
7.5%
TypeScript
6.9%
Java
5.9%
Other
45.9%

World rating by programing language (country/rank)

Ruby
3
Scala
5
Go
6
Swift
6
Vue
6

* More analytics for signed in users.