🇯🇵 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

27,635

Organizations

2,515

Repositories

237,531

Top Rank

Ruby, Go, Swift

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

Top Contributors

1
Daichi Furiya (@wasabeef)

wasabeef

Java, Dart, Kotlin
96,708
star
2
Keijiro Takahashi (@keijiro)

keijiro

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

chrislgarry

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

blueimp

JavaScript, Shell, Go
51,221
star
5
@mattn

mattn

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

onevcat

Swift, Objective-C, JavaScript
46,564
star
7
The Ruby Programming Language (@ruby)

ruby

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

dennybritz

Jupyter Notebook, JavaScript, Scala
38,654
star
9
@Shougo

Shougo

TypeScript, Vim Script, Python
31,728
star
10
@nagadomi

nagadomi

C, Lua, C++
31,279
star
11
Rui Ueyama (@rui314)

rui314

C, C++, HTML
29,641
star
12
Cysharp, Inc. (@Cysharp)

Cysharp

C#, Rust, JavaScript
28,840
star
13
Linda_pp (@rhysd)

rhysd

Vim Script, TypeScript, Rust
26,817
star
14
Shuichi Tsutsumi (@shu223)

shu223

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

chriskempson

PHP, Ruby, HTML
24,757
star
16
Norbert Preining (@norbusan)

norbusan

Python, C, Perl
23,440
star
17
Kishikawa Katsumi (@kishikawakatsumi)

kishikawakatsumi

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

AtsushiSakai

Python, C++, Julia
21,707
star
19
Brett Wooldridge (@brettwooldridge)

brettwooldridge

Java, Kotlin, ANTLR
21,492
star
20
void (@komeiji-satori)

komeiji-satori

PHP, Java, JavaScript
21,452
star
21
LINE (@line)

line

Python, JavaScript, Go
20,459
star
22
Daishi Kato (@dai-shi)

dai-shi

TypeScript, JavaScript, Java
19,312
star
23
Kentaro Wada (@wkentaro)

wkentaro

Python, TeX, Shell
18,551
star
24
Kakigōri Maker (@Mikubill)

Mikubill

Go, Python, Dockerfile
18,324
star
25
STF (@openstf)

openstf

JavaScript, Makefile, CoffeeScript
17,777
star
26
Philippe Rémy (@philipperemy)

philipperemy

Python, Java, Jupyter Notebook
16,984
star
27
Raphaël Benitte (@plouc)

plouc

JavaScript, Go, TypeScript
16,903
star
28
Hsiaoming Yang (@lepture)

lepture

Python, JavaScript, CSS
16,884
star
29
Francisco Presencia (@franciscop)

franciscop

JavaScript, HTML, PHP
16,838
star
30
@itchyny

itchyny

Vim Script, Go, Rust
16,744
star
31
Yusuke Endoh (@mame)

mame

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

mob-sakai

C#, JavaScript, Shell
15,912
star
33
Kenji Hiranabe (@kenjihiranabe)

kenjihiranabe

Ruby, Jupyter Notebook, C#
15,217
star
34
@hrsh7th

hrsh7th

Vim Script, Lua, TypeScript
14,990
star
35
Maple (@humiaozuzu)

humiaozuzu

Python, JavaScript, Vim Script
14,941
star
36
@bannzai

bannzai

Swift, Ruby, Go
14,712
star
37
Yoshifumi Kawai (@neuecc)

neuecc

C#, JavaScript
14,444
star
38
Takuya Matsuyama (@craftzdog)

craftzdog

JavaScript, TypeScript, Java
13,927
star
39
Kevin (@kevinzhow)

kevinzhow

Swift, Objective-C, JavaScript
13,570
star
40
Unity Technologies Japan (@unity3d-jp)

unity3d-jp

C#, C++, JavaScript
13,496
star
41
Takashi Kitao (@kitao)

kitao

Python, Ruby, JavaScript
13,152
star
42
Hajime Hoshi (@hajimehoshi)

hajimehoshi

Go, JavaScript, Ruby
12,502
star
43
Sony (@sony)

sony

Python, C++, JavaScript
12,197
star
44
Ryo Aoyama (@ra1028)

ra1028

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

Hironsan

Python, Jupyter Notebook, JavaScript
11,549
star
46
Koute (@koute)

koute

Rust, C++, JavaScript
11,519
star
47
@ctgk

ctgk

Python, Jupyter Notebook, C++
11,088
star
48
@azu

azu

JavaScript, TypeScript, Objective-C
11,032
star
49
Soichiro Kashima (@ksoichiro)

ksoichiro

Java, Groovy, JavaScript
11,009
star
50
@sureJiang

sureJiang

Objective-C
11,001
star
51
@shirou

shirou

Go, Python, Java
10,698
star
52
kazuya kawaguchi (@kazupon)

kazupon

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

yuin

Go, Python, C++
9,984
star
54
Johan Nordberg (@jnordberg)

jnordberg

JavaScript, CoffeeScript, TypeScript
9,296
star
55
Kurisu Makise (@yuk7)

yuk7

Shell, Kotlin, Makefile
9,281
star
56
Akira Matsuda (@amatsuda)

amatsuda

Ruby, JavaScript, Shell
9,176
star
57
@ogaclejapan

ogaclejapan

Java, Shell, Ruby
9,095
star
58
Hector Martin (@marcan)

marcan

Python, C, Shell
9,007
star
59
@bokuweb

bokuweb

JavaScript, TypeScript, Rust
8,884
star
60
Carbo Kuo (@BYVoid)

BYVoid

C++, JavaScript, C#
8,775
star
61
Machine Learning Tokyo (@Machine-Learning-Tokyo)

Machine-Learning-Tokyo

Jupyter Notebook, Python, C++
8,714
star
62
Toru Nagashima (@mysticatea)

mysticatea

JavaScript, TypeScript, Vue
8,698
star
63
hiroki osame (@privatenumber)

privatenumber

TypeScript, JavaScript, Vue
8,674
star
64
K Lange (@klange)

klange

C, Python, Lua
8,583
star
65
O'Reilly Japan (@oreilly-japan)

oreilly-japan

Python, Jupyter Notebook, JavaScript
8,572
star
66
Taiki Suzuki (@marty-suzuki)

marty-suzuki

Swift, Objective-C, Kotlin
8,539
star
67
Yuki Hattori (@yhatt)

yhatt

JavaScript, TypeScript, Vue
8,517
star
68
Maxence Charriere (@maxence-charriere)

maxence-charriere

Go, C#, JavaScript
8,430
star
69
Katsuya Hyodo (@PINTO0309)

PINTO0309

Python, Dockerfile, Shell
8,423
star
70
@c-bata

c-bata

Python, Go, JavaScript
8,147
star
71
@TakuSemba

TakuSemba

Kotlin, Java, Go
7,885
star
72
Matt Andrews (@matthew-andrews)

matthew-andrews

JavaScript, HTML, Go
7,840
star
73
Clipy Project (@Clipy)

Clipy

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

fukamachi

Common Lisp, Emacs Lisp, Perl
7,720
star
75
Domenic Denicola (@domenic)

domenic

JavaScript, CoffeeScript, HTML
7,450
star
76
Λlisue (Ali sue・ありすえ) (@lambdalisue)

lambdalisue

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

simeji

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

mooz

JavaScript, Emacs Lisp, Python
7,189
star
79
Boris Cherny (@bcherny)

bcherny

JavaScript, TypeScript, CoffeeScript
7,158
star
80
Haruki Hasegawa (@h6ah4i)

h6ah4i

Java, C++, Kotlin
7,096
star
81
@dalance

dalance

Rust, Vim Script, SystemVerilog
7,081
star
82
Ryuichi Yamamoto (@r9y9)

r9y9

Julia, Python, Jupyter Notebook
7,064
star
83
Guo Yu (@guo-yu)

guo-yu

JavaScript, CSS, Scheme
7,034
star
84
@hecomi

hecomi

C#, C++, C
6,930
star
85
@mattatz

mattatz

C#, JavaScript, Rust
6,877
star
86
Yosuke Kurami (@Quramy)

Quramy

TypeScript, JavaScript, Vim Script
6,809
star
87
Takumasa Sakao (@sachaos)

sachaos

Go, Shell, TypeScript
6,728
star
88
Takuto NAKAMURA (Kyome) (@Kyome22)

Kyome22

Swift, Objective-C, JavaScript
6,627
star
89
Ryo Ota (@nwtgck)

nwtgck

TypeScript, Go, Vue
6,619
star
90
@ynqa

ynqa

Rust, Go, Python
6,474
star
91
Hiraku NAKANO (@hirak)

hirak

PHP, Go, JavaScript
6,465
star
92
JPCERT Coordination Center (@JPCERTCC)

JPCERTCC

Python, HTML, C++
6,394
star
93
Hideo Hattori (@hhatto)

hhatto

Rust, Python, Go
6,359
star
94
CotEditor Project (@coteditor)

coteditor

Python, AppleScript, Ruby
6,300
star
95
Kittinun Vantasin (@kittinunf)

kittinunf

Kotlin, Swift, C++
6,241
star
96
神代綺凛 (@Tsuk1ko)

Tsuk1ko

JavaScript, TypeScript, Shell
6,222
star
97
Shohei Ueda (@peaceiris)

peaceiris

TypeScript, Dockerfile, Shell
6,215
star
98
PokéAPI (@PokeAPI)

PokeAPI

Python, JavaScript, Shell
6,187
star
99
Masayuki Suda (@MasayukiSuda)

MasayukiSuda

Java, Kotlin, Dart
6,179
star
100
ソ瑠璃(soruly) (@soruly)

soruly

JavaScript, HTML, TypeScript
6,178
star

Statistics

By location

Osaka 10.0%
Kyoto 9.7%
Yokohama 8.6%
Fukuoka 7.3%
Nagoya 4.5%
Other 59.8%

By programing language

JavaScript
18.8%
Python
14.9%
Ruby
7.4%
TypeScript
7.1%
C++
6.0%
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.