🇯🇵 Japan Open Source Developers

The community of talented open source developers driving innovation and collaboration in the tech industry.

Developers

27,875

Organizations

2,530

Repositories

240,429

Top Rank

Ruby, Go, Swift

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

TOP Users

1
Daichi Furiya (@wasabeef)

wasabeef

Java, Dart, Kotlin
97,499
star
2
Keijiro Takahashi (@keijiro)

keijiro

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

chrislgarry

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

blueimp

JavaScript, Go, Shell
51,247
star
5
@mattn

mattn

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

onevcat

Swift, Objective-C, JavaScript
46,797
star
7
Denny Britz (@dennybritz)

dennybritz

Jupyter Notebook, JavaScript, Scala
38,654
star
8
@Shougo

Shougo

TypeScript, Vim Script, Python
31,742
star
9
@nagadomi

nagadomi

C, Lua, C++
31,279
star
10
Rui Ueyama (@rui314)

rui314

C, C++, Go
29,641
star
11
Linda_pp (@rhysd)

rhysd

Vim Script, TypeScript, Rust
27,125
star
12
Shuichi Tsutsumi (@shu223)

shu223

Objective-C, Swift, Metal
25,148
star
13
Chris Kempson (@chriskempson)

chriskempson

PHP, Ruby, C++
24,757
star
14
Norbert Preining (@norbusan)

norbusan

Python, Perl, C
23,325
star
15
Brett Wooldridge (@brettwooldridge)

brettwooldridge

Java, ANTLR, Kotlin
22,088
star
16
Kishikawa Katsumi (@kishikawakatsumi)

kishikawakatsumi

Swift, Objective-C, HTML
21,946
star
17
Atsushi Sakai (@AtsushiSakai)

AtsushiSakai

Python, C++, Julia
21,718
star
18
void (@komeiji-satori)

komeiji-satori

PHP, Java, JavaScript
21,452
star
19
Daishi Kato (@dai-shi)

dai-shi

TypeScript, JavaScript, Less
19,874
star
20
Kakigōri Maker (@Mikubill)

Mikubill

Go, Python, Dockerfile
18,798
star
21
Kentaro Wada (@wkentaro)

wkentaro

Python, TeX, Shell
18,551
star
22
Kenji Hiranabe (@kenjihiranabe)

kenjihiranabe

Ruby, C++, Jupyter Notebook
17,452
star
23
Philippe Rémy (@philipperemy)

philipperemy

Python, Java, C++
17,186
star
24
Raphaël Benitte (@plouc)

plouc

JavaScript, Go, TypeScript
16,903
star
25
Hsiaoming Yang (@lepture)

lepture

Python, JavaScript, CSS
16,884
star
26
Francisco Presencia (@franciscop)

franciscop

JavaScript, HTML, CSS
16,838
star
27
@itchyny

itchyny

Vim Script, Go, Rust
16,757
star
28
@hrsh7th

hrsh7th

Vim Script, Lua, TypeScript
16,693
star
29
@mob-sakai

mob-sakai

C#, JavaScript, Shell
16,575
star
30
Yusuke Endoh (@mame)

mame

Ruby, JavaScript, TypeScript
16,563
star
31
Maple (@humiaozuzu)

humiaozuzu

Python, Shell, JavaScript
14,941
star
32
@bannzai

bannzai

Swift, Ruby, Go
14,712
star
33
Yoshifumi Kawai (@neuecc)

neuecc

C#, JavaScript
14,526
star
34
Takuya Matsuyama (@craftzdog)

craftzdog

JavaScript, TypeScript, Java
14,428
star
35
Kevin (@kevinzhow)

kevinzhow

Swift, Objective-C, JavaScript
13,570
star
36
Takashi Kitao (@kitao)

kitao

Python, JavaScript, Ruby
13,152
star
37
Hajime Hoshi (@hajimehoshi)

hajimehoshi

Go, JavaScript, C++
13,127
star
38
Ryo Aoyama (@ra1028)

ra1028

Swift, Objective-C
11,734
star
39
Koute (@koute)

koute

Rust, Shell, JavaScript
11,689
star
40
Hiroki Nakayama (@Hironsan)

Hironsan

Python, Jupyter Notebook, JavaScript
11,586
star
41
@ctgk

ctgk

Python, Jupyter Notebook, C++
11,088
star
42
@azu

azu

JavaScript, TypeScript, Objective-C
11,032
star
43
Soichiro Kashima (@ksoichiro)

ksoichiro

Java, Groovy, JavaScript
11,009
star
44
@sureJiang

sureJiang

Objective-C
10,996
star
45
@shirou

shirou

Go, Python, Java
10,960
star
46
Yusuke Inuzuka (@yuin)

yuin

Go, Python, C++
10,264
star
47
kazuya kawaguchi (@kazupon)

kazupon

JavaScript, TypeScript, Vue
10,167
star
48
@yuk7

yuk7

Shell, Kotlin, C
9,592
star
49
Johan Nordberg (@jnordberg)

jnordberg

JavaScript, CoffeeScript, TypeScript
9,296
star
50
Akira Matsuda (@amatsuda)

amatsuda

Ruby, JavaScript, Shell
9,176
star
51
@ogaclejapan

ogaclejapan

Java, Shell, Ruby
9,098
star
52
@koide3

koide3

C++, Python, Shell
9,031
star
53
Hector Martin (@marcan)

marcan

Python, C, Shell
9,007
star
54
@bokuweb

bokuweb

JavaScript, TypeScript, Rust
8,937
star
55
Carbo Kuo (@BYVoid)

BYVoid

C++, JavaScript, C#
8,775
star
56
Toru Nagashima (@mysticatea)

mysticatea

JavaScript, TypeScript, Vue
8,768
star
57
Katsuya Hyodo (@PINTO0309)

PINTO0309

Python, Dockerfile, Shell
8,682
star
58
Hiroki Osame (@privatenumber)

privatenumber

TypeScript, JavaScript, Vue
8,674
star
59
K Lange (@klange)

klange

C, Python, C++
8,583
star
60
Maxence Charriere (@maxence-charriere)

maxence-charriere

Go, C#, HCL
8,578
star
61
Taiki Suzuki (@marty-suzuki)

marty-suzuki

Swift, Objective-C, Kotlin
8,547
star
62
Yuki Hattori (@yhatt)

yhatt

JavaScript, Vue, TypeScript
8,517
star
63
@c-bata

c-bata

Python, Go, JavaScript
8,220
star
64
Eitaro Fukamachi (@fukamachi)

fukamachi

Common Lisp, Emacs Lisp, JavaScript
8,020
star
65
@TakuSemba

TakuSemba

Kotlin, Java, Go
7,942
star
66
Naoya Hatta (@dalance)

dalance

Rust, Vim Script, C#
7,910
star
67
Matt Andrews (@matthew-andrews)

matthew-andrews

JavaScript, HTML, Go
7,837
star
68
Takuto NAKAMURA (Kyome) (@Kyome22)

Kyome22

Swift, JavaScript, Objective-C
7,545
star
69
Λlisue (Ali sue・ありすえ) (@lambdalisue)

lambdalisue

Vim Script, Python, TypeScript
7,364
star
70
@simeji

simeji

Vim Script, Ruby, Go
7,222
star
71
Masafumi Oyamada (@mooz)

mooz

JavaScript, Emacs Lisp, Python
7,189
star
72
Haruki Hasegawa (@h6ah4i)

h6ah4i

Java, C++, Kotlin
7,106
star
73
Ryuichi Yamamoto (@r9y9)

r9y9

Julia, Python, Jupyter Notebook
7,064
star
74
Guo Yu (@guo-yu)

guo-yu

JavaScript, CSS, Scheme
7,034
star
75
@mattatz

mattatz

C#, JavaScript, Rust
6,958
star
76
@ynqa

ynqa

Rust, Go, Python
6,944
star
77
@hecomi

hecomi

C#, C++, C
6,930
star
78
Yosuke Kurami (@Quramy)

Quramy

TypeScript, JavaScript, Vim Script
6,908
star
79
Takumasa Sakao (@sachaos)

sachaos

Go, Shell, TypeScript
6,907
star
80
Ryo Ota (@nwtgck)

nwtgck

TypeScript, Go, Vue
6,657
star
81
Hiraku NAKANO (@hirak)

hirak

PHP, Go, Makefile
6,464
star
82
Lukas Reineke (@lukas-reineke)

lukas-reineke

Lua, JavaScript, Rust
6,422
star
83
Hideo Hattori (@hhatto)

hhatto

Rust, Python, Go
6,359
star
84
神代綺凛 (@Tsuk1ko)

Tsuk1ko

JavaScript, TypeScript, Shell
6,338
star
85
Kittinun Vantasin (@kittinunf)

kittinunf

Kotlin, Swift, C++
6,241
star
86
Shohei Ueda (@peaceiris)

peaceiris

TypeScript, Dockerfile, Shell
6,215
star
87
Masayuki Suda (@MasayukiSuda)

MasayukiSuda

Java, Dart, Kotlin
6,179
star
88
ソ瑠璃(soruly) (@soruly)

soruly

JavaScript, HTML, Shell
6,178
star
89
Ryo Nakao (@nakabonne)

nakabonne

Go, C#, HTML
6,138
star
90
Thomas Camlong (@ajnart)

ajnart

TypeScript, C, JavaScript
6,115
star
91
@kaorun343

kaorun343

TypeScript, JavaScript, Rust
6,060
star
92
@BrambleXu

BrambleXu

Jupyter Notebook, Python, HTML
6,032
star
93
Yuta Hiroto (@hiroppy)

hiroppy

JavaScript, TypeScript, CSS
5,971
star
94
Anand K Subramanian (@AntixK)

AntixK

Python, C++, JavaScript
5,969
star
95
Ken’ichiro Oyama (@k1LoW)

k1LoW

Go, PHP, Emacs Lisp
5,958
star
96
@shimat

shimat

C#, Python, C++
5,924
star
97
Takayuki Maeda (@TaKO8Ki)

TaKO8Ki

Rust, JavaScript, Ruby
5,883
star
98
Hiroki Kokubun (@cocopon)

cocopon

Vim Script, JavaScript, TypeScript
5,855
star
99
@ryo-ma

ryo-ma

Python, TypeScript, Go
5,848
star
100
Yusuke Konishi (@konifar)

konifar

Java, Kotlin, Ruby
5,731
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.