🇯🇵 Japan Open Source Developers

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

Developers

26,491

Organizations

2,428

Repositories

225,395

Top Rank

Ruby, Swift, Scala

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

wasabeef

Java, Dart, Kotlin
94,881
star
2
Keijiro Takahashi (@keijiro)

keijiro

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

chrislgarry

C, Shell, JavaScript
55,493
star
4
Sebastian Tschan (@blueimp)

blueimp

JavaScript, Go, Shell
51,091
star
5
@mattn

mattn

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

onevcat

Swift, Objective-C, JavaScript
44,671
star
7
Jorge Bucaran (@jorgebucaran)

jorgebucaran

Shell, JavaScript, HTML
42,734
star
8
Denny Britz (@dennybritz)

dennybritz

Jupyter Notebook, JavaScript, Scala
38,007
star
9
@Shougo

Shougo

TypeScript, Vim Script, Python
31,279
star
10
@nagadomi

nagadomi

C, Lua, Ruby
30,409
star
11
Rui Ueyama (@rui314)

rui314

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

rhysd

Vim Script, TypeScript, Rust
26,224
star
13
Shuichi Tsutsumi (@shu223)

shu223

Objective-C, Swift, JavaScript
25,148
star
14
Chris Kempson (@chriskempson)

chriskempson

PHP, Ruby, Vim Script
24,414
star
15
Norbert Preining (@norbusan)

norbusan

C, Python, Perl
23,662
star
16
Kishikawa Katsumi (@kishikawakatsumi)

kishikawakatsumi

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

AtsushiSakai

Python, C++, Julia
21,342
star
18
Brett Wooldridge (@brettwooldridge)

brettwooldridge

Java, Python, Kotlin
20,905
star
19
Kentaro Wada (@wkentaro)

wkentaro

Python, TeX, Shell
18,551
star
20
Yoshifumi Kawai (@neuecc)

neuecc

C#, JavaScript
18,532
star
21
Hsiaoming Yang (@lepture)

lepture

Python, JavaScript, CSS
16,884
star
22
Francisco Presencia (@franciscop)

franciscop

JavaScript, HTML, PHP
16,838
star
23
Raphaël Benitte (@plouc)

plouc

JavaScript, Go, TypeScript
16,474
star
24
Philippe Rémy (@philipperemy)

philipperemy

Python, Java, C++
16,444
star
25
@itchyny

itchyny

Vim Script, Go, Rust
15,771
star
26
Yusuke Endoh (@mame)

mame

Ruby, TypeScript, JavaScript
15,695
star
27
@bannzai

bannzai

Swift, Ruby, Go
14,637
star
28
Maple (@humiaozuzu)

humiaozuzu

Python, Shell, JavaScript
14,219
star
29
Kevin (@kevinzhow)

kevinzhow

Swift, Objective-C, JavaScript
13,570
star
30
Daishi Kato (@dai-shi)

dai-shi

TypeScript, JavaScript, Java
13,562
star
31
Kenji Hiranabe (@kenjihiranabe)

kenjihiranabe

Ruby, Jupyter Notebook, PostScript
13,311
star
32
@hrsh7th

hrsh7th

Vim Script, Lua, TypeScript
12,999
star
33
@mob-sakai

mob-sakai

C#, JavaScript, Shell
12,450
star
34
Hajime Hoshi (@hajimehoshi)

hajimehoshi

Go, JavaScript, C++
12,041
star
35
Takuya Matsuyama (@craftzdog)

craftzdog

JavaScript, TypeScript, Java
11,862
star
36
Takashi Kitao (@kitao)

kitao

Python, JavaScript, Ruby
11,650
star
37
Ryo Aoyama (@ra1028)

ra1028

Swift, Objective-C
11,584
star
38
Hiroki Nakayama (@Hironsan)

Hironsan

Python, Jupyter Notebook, JavaScript
11,379
star
39
@ctgk

ctgk

Python, Jupyter Notebook, Shell
11,088
star
40
@sureJiang

sureJiang

Objective-C
11,056
star
41
@azu

azu

JavaScript, TypeScript, Objective-C
11,032
star
42
Soichiro Kashima (@ksoichiro)

ksoichiro

Java, Groovy, JavaScript
10,970
star
43
Koute (@koute)

koute

Rust, Shell, JavaScript
10,507
star
44
kazuya kawaguchi (@kazupon)

kazupon

JavaScript, TypeScript, Vue
10,167
star
45
@shirou

shirou

Go, Python, Java
9,983
star
46
Johan Nordberg (@jnordberg)

jnordberg

JavaScript, CoffeeScript, TypeScript
9,296
star
47
Akira Matsuda (@amatsuda)

amatsuda

Ruby, JavaScript, HTML
9,176
star
48
@ogaclejapan

ogaclejapan

Java, Shell, Ruby
9,058
star
49
Yusuke Inuzuka (@yuin)

yuin

Go, Python, C++
8,918
star
50
Hector Martin (@marcan)

marcan

Python, C, Shell
8,791
star
51
Carbo Kuo (@BYVoid)

BYVoid

C++, JavaScript, C#
8,775
star
52
hiroki osame (@privatenumber)

privatenumber

TypeScript, JavaScript, Vue
8,674
star
53
Toru Nagashima (@mysticatea)

mysticatea

JavaScript, TypeScript, HTML
8,544
star
54
Taiki Suzuki (@marty-suzuki)

marty-suzuki

Swift, Kotlin, Objective-C
8,532
star
55
@bokuweb

bokuweb

JavaScript, TypeScript, Rust
8,526
star
56
Yuki Hattori (@yhatt)

yhatt

JavaScript, Vue, TypeScript
8,517
star
57
K Lange (@klange)

klange

C, Python, JavaScript
8,324
star
58
Maxence Charriere (@maxence-charriere)

maxence-charriere

Go, C#, HCL
7,885
star
59
@c-bata

c-bata

Python, Go, JavaScript
7,875
star
60
Matt Andrews (@matthew-andrews)

matthew-andrews

JavaScript, Go, HTML
7,856
star
61
Yuka Katano (@yuk7)

yuk7

Shell, C, Kotlin
7,754
star
62
@TakuSemba

TakuSemba

Kotlin, Java, Go
7,718
star
63
Eitaro Fukamachi (@fukamachi)

fukamachi

Common Lisp, Emacs Lisp, JavaScript
7,456
star
64
Domenic Denicola (@domenic)

domenic

JavaScript, CoffeeScript, HTML
7,437
star
65
Λlisue (Ali sue・ありすえ) (@lambdalisue)

lambdalisue

Vim Script, Python, TypeScript
7,364
star
66
@simeji

simeji

Vim Script, Ruby, Go
7,222
star
67
Masafumi Oyamada (@mooz)

mooz

JavaScript, Emacs Lisp, Python
7,189
star
68
Katsuya Hyodo (@PINTO0309)

PINTO0309

Python, Dockerfile, Shell
7,107
star
69
Ryuichi Yamamoto (@r9y9)

r9y9

Julia, Python, Jupyter Notebook
7,064
star
70
Haruki Hasegawa (@h6ah4i)

h6ah4i

Java, C++, Shell
7,030
star
71
Guo Yu (@guo-yu)

guo-yu

JavaScript, CSS, Go
7,021
star
72
@hecomi

hecomi

C#, C++, C
6,930
star
73
Boris Cherny (@bcherny)

bcherny

JavaScript, TypeScript, CoffeeScript
6,838
star
74
Yosuke Kurami (@Quramy)

Quramy

TypeScript, JavaScript, Vim Script
6,626
star
75
@dalance

dalance

Rust, Vim Script, SystemVerilog
6,605
star
76
Ryo Ota (@nwtgck)

nwtgck

TypeScript, Go, JavaScript
6,528
star
77
Hiraku NAKANO (@hirak)

hirak

PHP, Go, JavaScript
6,498
star
78
@mattatz

mattatz

C#, JavaScript, Rust
6,428
star
79
Takumasa Sakao (@sachaos)

sachaos

Go, Shell, Ruby
6,390
star
80
Hideo Hattori (@hhatto)

hhatto

Rust, Python, Go
6,359
star
81
Shohei Ueda (@peaceiris)

peaceiris

TypeScript, Dockerfile, Shell
6,215
star
82
Takuto NAKAMURA (Kyome) (@Kyome22)

Kyome22

Swift, JavaScript, C#
6,179
star
83
Masayuki Suda (@MasayukiSuda)

MasayukiSuda

Java, Dart, Kotlin
6,179
star
84
ソ瑠璃(soruly) (@soruly)

soruly

JavaScript, HTML, TypeScript
6,178
star
85
Ryo Nakao (@nakabonne)

nakabonne

Go, C#, Shell
6,138
star
86
Kittinun Vantasin (@kittinunf)

kittinunf

Kotlin, Swift, Objective-C
6,108
star
87
@kaorun343

kaorun343

TypeScript, JavaScript, Rust
6,053
star
88
Katsuma Tanaka (@nek023)

nek023

Objective-C, Swift, TypeScript
6,009
star
89
Yuta Hiroto (@hiroppy)

hiroppy

JavaScript, TypeScript, CSS
5,971
star
90
Ken’ichiro Oyama (@k1LoW)

k1LoW

Go, PHP, Emacs Lisp
5,958
star
91
@BrambleXu

BrambleXu

Jupyter Notebook, Python, Makefile
5,945
star
92
Takayuki Maeda (@TaKO8Ki)

TaKO8Ki

Rust, JavaScript, Ruby
5,883
star
93
Hiroki Kokubun (@cocopon)

cocopon

Vim Script, JavaScript, TypeScript
5,855
star
94
Yusuke Konishi (@konifar)

konifar

Java, Kotlin, Ruby
5,728
star
95
神代綺凛 (@Tsuk1ko)

Tsuk1ko

JavaScript, Shell, Vue
5,725
star
96
@yujiosaka

yujiosaka

JavaScript, TypeScript, Jupyter Notebook
5,693
star
97
Cameron Beccario (@cambecc)

cambecc

Java, JavaScript
5,643
star
98
Peter Evans (@peter-evans)

peter-evans

TypeScript, Shell, JavaScript
5,624
star
99
Ryo Nakamura (@r7kamura)

r7kamura

Ruby, JavaScript, TypeScript
5,588
star
100
Masaki ISHIYAMA (@babarot)

babarot

Shell, Go, Vim Script
5,534
star

Statistics

By location

Kyoto 9.9%
Osaka 9.8%
Yokohama 8.4%
Fukuoka 7.2%
Nagoya 4.4%
Other 60.3%

By programing language

JavaScript
19.0%
Python
14.6%
Ruby
7.6%
TypeScript
6.5%
Java
6.1%
Other
46.3%

World rating by programing language (country/rank)

Ruby
3
Swift
5
Scala
5
Go
6
Vue
6

* More analytics for signed in users.