🇯🇵 Japan Open Source Developers

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

Developers

27,389

Organizations

2,494

Repositories

235,626

Top Rank

Ruby, Scala, Go

🇯🇵 Made in Japan Compare with other countries 🌐 All countries
1
Daichi Furiya (@wasabeef)

wasabeef

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

keijiro

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

chrislgarry

C, Shell, MATLAB
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
Denny Britz (@dennybritz)

dennybritz

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

Shougo

TypeScript, Vim Script, Python
31,640
star
9
@nagadomi

nagadomi

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

rui314

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

rhysd

Vim Script, TypeScript, Rust
26,817
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, C, Perl
23,446
star
15
Kishikawa Katsumi (@kishikawakatsumi)

kishikawakatsumi

Swift, Objective-C, HTML
21,946
star
16
Atsushi Sakai (@AtsushiSakai)

AtsushiSakai

Python, C++, Julia
21,697
star
17
Brett Wooldridge (@brettwooldridge)

brettwooldridge

Java, Python, Kotlin
21,492
star
18
void (@komeiji-satori)

komeiji-satori

PHP, Java, JavaScript
21,452
star
19
Kentaro Wada (@wkentaro)

wkentaro

Python, TeX, Shell
18,551
star
20
Daishi Kato (@dai-shi)

dai-shi

TypeScript, JavaScript, Less
18,354
star
21
Kakigōri Maker (@Mikubill)

Mikubill

Go, Python, Dockerfile
17,532
star
22
Philippe Rémy (@philipperemy)

philipperemy

Python, Java, Jupyter Notebook
16,984
star
23
Raphaël Benitte (@plouc)

plouc

JavaScript, Go, TypeScript
16,903
star
24
Hsiaoming Yang (@lepture)

lepture

Python, JavaScript, CSS
16,884
star
25
Francisco Presencia (@franciscop)

franciscop

JavaScript, HTML, CSS
16,838
star
26
@itchyny

itchyny

Vim Script, Go, Rust
16,705
star
27
Yusuke Endoh (@mame)

mame

Ruby, JavaScript, C
16,563
star
28
@mob-sakai

mob-sakai

C#, JavaScript, TypeScript
15,235
star
29
@hrsh7th

hrsh7th

Vim Script, Lua, TypeScript
14,990
star
30
Maple (@humiaozuzu)

humiaozuzu

Python, JavaScript, Shell
14,941
star
31
@bannzai

bannzai

Swift, Go, Ruby
14,712
star
32
Kenji Hiranabe (@kenjihiranabe)

kenjihiranabe

Ruby, C++, C#
14,405
star
33
Yoshifumi Kawai (@neuecc)

neuecc

C#, JavaScript
14,326
star
34
Kevin (@kevinzhow)

kevinzhow

Swift, Objective-C, JavaScript
13,570
star
35
Takuya Matsuyama (@craftzdog)

craftzdog

JavaScript, TypeScript, Java
13,539
star
36
Takashi Kitao (@kitao)

kitao

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

hajimehoshi

Go, JavaScript, C++
12,009
star
38
Ryo Aoyama (@ra1028)

ra1028

Swift, Objective-C
11,734
star
39
Hiroki Nakayama (@Hironsan)

Hironsan

Python, Jupyter Notebook, CSS
11,493
star
40
@ctgk

ctgk

Python, Jupyter Notebook, Shell
11,088
star
41
@azu

azu

JavaScript, TypeScript, Objective-C
11,032
star
42
@sureJiang

sureJiang

Objective-C
11,014
star
43
Soichiro Kashima (@ksoichiro)

ksoichiro

Java, Groovy, JavaScript
11,009
star
44
Koute (@koute)

koute

Rust, C++, Shell
10,892
star
45
@shirou

shirou

Go, Python, TypeScript
10,452
star
46
kazuya kawaguchi (@kazupon)

kazupon

JavaScript, TypeScript, Vue
10,167
star
47
Yusuke Inuzuka (@yuin)

yuin

Go, Python, C++
9,717
star
48
Johan Nordberg (@jnordberg)

jnordberg

JavaScript, CoffeeScript, TypeScript
9,296
star
49
Akira Matsuda (@amatsuda)

amatsuda

Ruby, JavaScript, Shell
9,176
star
50
@ogaclejapan

ogaclejapan

Java, Ruby, Shell
9,095
star
51
Hector Martin (@marcan)

marcan

Python, C, Shell
8,964
star
52
Yuka Ka (@yuk7)

yuk7

Shell, Kotlin, Makefile
8,944
star
53
@bokuweb

bokuweb

JavaScript, TypeScript, Rust
8,844
star
54
Carbo Kuo (@BYVoid)

BYVoid

C++, JavaScript, C#
8,775
star
55
hiroki osame (@privatenumber)

privatenumber

TypeScript, JavaScript, Vue
8,674
star
56
Toru Nagashima (@mysticatea)

mysticatea

JavaScript, TypeScript, Vue
8,633
star
57
K Lange (@klange)

klange

C, Python, Shell
8,583
star
58
Taiki Suzuki (@marty-suzuki)

marty-suzuki

Swift, Kotlin, Objective-C
8,539
star
59
Yuki Hattori (@yhatt)

yhatt

JavaScript, Vue, TypeScript
8,517
star
60
Maxence Charriere (@maxence-charriere)

maxence-charriere

Go, C#, HCL
8,334
star
61
Katsuya Hyodo (@PINTO0309)

PINTO0309

Python, Dockerfile, Shell
8,078
star
62
@c-bata

c-bata

Python, Go, JavaScript
8,074
star
63
@TakuSemba

TakuSemba

Kotlin, Java, Go
7,846
star
64
Matt Andrews (@matthew-andrews)

matthew-andrews

JavaScript, HTML, Go
7,840
star
65
Eitaro Fukamachi (@fukamachi)

fukamachi

Common Lisp, Emacs Lisp, JavaScript
7,720
star
66
Domenic Denicola (@domenic)

domenic

JavaScript, CoffeeScript, HTML
7,450
star
67
Λlisue (Ali sue・ありすえ) (@lambdalisue)

lambdalisue

Vim Script, Python, TypeScript
7,364
star
68
@simeji

simeji

Vim Script, Ruby, Shell
7,222
star
69
Masafumi Oyamada (@mooz)

mooz

JavaScript, Emacs Lisp, Python
7,189
star
70
Haruki Hasegawa (@h6ah4i)

h6ah4i

Java, C++, Shell
7,089
star
71
@dalance

dalance

Rust, Vim Script, C#
7,081
star
72
Ryuichi Yamamoto (@r9y9)

r9y9

Python, Julia, Jupyter Notebook
7,064
star
73
Boris Cherny (@bcherny)

bcherny

JavaScript, TypeScript, CoffeeScript
7,044
star
74
Guo Yu (@guo-yu)

guo-yu

JavaScript, CSS, HTML
7,034
star
75
@hecomi

hecomi

C#, C++, C
6,930
star
76
Yosuke Kurami (@Quramy)

Quramy

TypeScript, JavaScript, Vim Script
6,809
star
77
@mattatz

mattatz

C#, JavaScript, Rust
6,732
star
78
Takumasa Sakao (@sachaos)

sachaos

Go, Shell, Emacs Lisp
6,728
star
79
Ryo Ota (@nwtgck)

nwtgck

TypeScript, Go, Vue
6,619
star
80
Hiraku NAKANO (@hirak)

hirak

PHP, Go, JavaScript
6,465
star
81
Takuto NAKAMURA (Kyome) (@Kyome22)

Kyome22

Swift, JavaScript, Objective-C
6,364
star
82
Hideo Hattori (@hhatto)

hhatto

Rust, Python, Go
6,359
star
83
Kittinun Vantasin (@kittinunf)

kittinunf

Kotlin, Swift, C++
6,241
star
84
Shohei Ueda (@peaceiris)

peaceiris

TypeScript, Dockerfile, Shell
6,215
star
85
Masayuki Suda (@MasayukiSuda)

MasayukiSuda

Java, Dart, Kotlin
6,179
star
86
ソ瑠璃(soruly) (@soruly)

soruly

JavaScript, HTML, TypeScript
6,178
star
87
Ryo Nakao (@nakabonne)

nakabonne

Go, C#, JavaScript
6,138
star
88
神代綺凛 (@Tsuk1ko)

Tsuk1ko

JavaScript, Shell, TypeScript
6,118
star
89
@kaorun343

kaorun343

TypeScript, JavaScript, Rust
6,060
star
90
@BrambleXu

BrambleXu

Jupyter Notebook, Python, HTML
5,986
star
91
Katsuma Tanaka (@nek023)

nek023

Objective-C, Swift, TypeScript
5,986
star
92
Yuta Hiroto (@hiroppy)

hiroppy

JavaScript, TypeScript, CSS
5,971
star
93
Anand K Subramanian (@AntixK)

AntixK

Python, C++, Jupyter Notebook
5,969
star
94
Ken’ichiro Oyama (@k1LoW)

k1LoW

Go, PHP, Emacs Lisp
5,958
star
95
Takayuki Maeda (@TaKO8Ki)

TaKO8Ki

Rust, JavaScript, Ruby
5,883
star
96
Hiroki Kokubun (@cocopon)

cocopon

Vim Script, JavaScript, TypeScript
5,855
star
97
Yusuke Konishi (@konifar)

konifar

Java, Ruby, Kotlin
5,730
star
98
Lukas Reineke (@lukas-reineke)

lukas-reineke

Lua, JavaScript, Shell
5,707
star
99
@yujiosaka

yujiosaka

JavaScript, TypeScript, CoffeeScript
5,693
star
100
Ryo Nakamura (@r7kamura)

r7kamura

Ruby, JavaScript, TypeScript
5,643
star

Statistics

By location

Osaka 9.9%
Kyoto 9.8%
Yokohama 8.6%
Fukuoka 7.3%
Nagoya 4.5%
Other 60.0%

By programing language

JavaScript
18.9%
Python
14.8%
Ruby
7.5%
TypeScript
7.0%
C++
6.0%
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.