🇯🇵 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

19001
@uemuraj

uemuraj

Java, C++
5
star
19002
Yasumasa Ashida (@asip)

asip

Vue, Ruby
5
star
19003
Toshiaki Ishikura (@craccho)

craccho

Ruby, Haskell
5
star
19004
@Hiroyou

Hiroyou

Ruby
5
star
19005
@osaboh

osaboh

C, Java, C++
5
star
19006
shingo suzuki (@giantneco)

giantneco

Haskell, Python, Shell
5
star
19007
@atomer

atomer

JavaScript, TypeScript
5
star
19008
Daiji Endoh (@daijiendoh)

daijiendoh

Ruby
5
star
19009
Kazutaka Yoshida (@mousepancyo)

mousepancyo

5
star
19010
Kazuhito Osabe (@kzosabe)

kzosabe

Python
5
star
19011
@tkk-space

tkk-space

Java, PHP, Shell
5
star
19012
Dipesh Acharya (@dpesha)

dpesha

JavaScript
5
star
19013
dego_96 (@dego-96)

dego-96

Java, Arduino
5
star
19014
@degarashi

degarashi

C++, CMake
5
star
19015
Akihito Ohsato (@aohsato)

aohsato

Swift
5
star
19016
@NatsukiChubachi

NatsukiChubachi

JavaScript, Jupyter Notebook, C++
5
star
19017
Tadaaki Nagao (@tadanagao)

tadanagao

Emacs Lisp
5
star
19018
tatsuo watanabe (@TatsuoWatanabe)

TatsuoWatanabe

TypeScript, Java
5
star
19019
Christopher Bunn (@cbunn81)

cbunn81

TypeScript, Python
5
star
19020
Takeshi Ohkawa (@ohkawatks)

ohkawatks

C++, C
5
star
19021
Hisaya Nishide (@hnishide)

hnishide

Ruby
5
star
19022
@lion-man44

lion-man44

TypeScript
5
star
19023
Junko Nukaga (@nukaga)

nukaga

CSS
5
star
19024
Satoshi Hirazawa (@Satoshi-Hirazawa)

Satoshi-Hirazawa

JavaScript, C#, Batchfile
5
star
19025
KatsuhiroAsaka (@K-Asaka)

K-Asaka

Python, Java
5
star
19026
Tatsuya Ishikawa (@Ishikawa-Tatsuya)

Ishikawa-Tatsuya

C#
5
star
19027
@FabriceMk

FabriceMk

Go, Java
5
star
19028
Josh Gentry (@joshgentry)

joshgentry

5
star
19029
IchiroTech (@syunduel)

syunduel

HTML
5
star
19030
Yuki Tomo (@yukitomo)

yukitomo

Go
5
star
19031
Edwin Takahashi (@worldomonation)

worldomonation

Python
5
star
19032
romamed (@kantapapan)

kantapapan

Go, PHP
5
star
19033
Z1 Studio (@zj13924)

zj13924

Java
5
star
19034
Takashi Machinaga (@macchiitaka)

macchiitaka

TypeScript, JavaScript
5
star
19035
ねこやまのりこ (@noriko3)

noriko3

HCL
5
star
19036
@ktama

ktama

C#
5
star
19037
Ryuichi.N (@nukos)

nukos

Ruby, HTML
5
star
19038
Chisato Matsuzaki (@ChisatoMatsuzaki)

ChisatoMatsuzaki

Swift
5
star
19039
@gomachssm

gomachssm

Python
5
star
19040
Fumihiko Nakatani / milio (@nktn)

nktn

Objective-C, Swift
5
star
19041
@bowkenken

bowkenken

C, Groff
5
star
19042
Heman Gandhi (@hemangandhi)

hemangandhi

Python, HTML, Java
5
star
19043
EGASHIRA Keisuke (@EgaK)

EgaK

JavaScript
5
star
19044
Tham Yik Foong (@zfoong)

zfoong

C++, Python, C#
5
star
19045
@kzok

kzok

TypeScript
5
star
19046
Shiho (@shihokambara)

shihokambara

Ruby, Python
5
star
19047
Dave (@leesunghyun)

leesunghyun

Java
5
star
19048
Takahiro Natsume (@nuovotaka)

nuovotaka

TypeScript, Dockerfile
5
star
19049
Jun Takamatsu (@j-taka)

j-taka

C++
5
star
19050
takaki-miyajima (@takakimiyajima)

takakimiyajima

CSS, TypeScript, Vue
5
star
19051
@KohMat

KohMat

Python
5
star
19052
Tetsutaro Endo (@tetsutaroendo)

tetsutaroendo

Ruby
5
star
19053
tsuruken (@tsuruken0802)

tsuruken0802

Swift, Dart
5
star
19054
Tetsuo Miyahara (@temiyaha)

temiyaha

PowerShell
5
star
19055
Army (@raicos)

raicos

Swift
5
star
19056
Kazuki Takata (@kaz-hack)

kaz-hack

C++
5
star
19057
Duosheng Yu (@duoshengyu)

duoshengyu

C++, C
5
star
19058
Mika (@MikatoFu31)

MikatoFu31

ActionScript, AngelScript
5
star
19059
Katsutoshi Yoshida (@ktysd)

ktysd

HTML, Jupyter Notebook
5
star
19060
@soko-no-otaku

soko-no-otaku

Ruby, Jupyter Notebook
5
star
19061
Yuki Tanaka (@tanatyu12)

tanatyu12

C#, JavaScript
5
star
19062
Charles Hussong (@chussong)

chussong

C++
5
star
19063
Kazuya Buma (@botamotch)

botamotch

Lua
5
star
19064
Alisa (@alisa101rs)

alisa101rs

Rust, Kotlin
5
star
19065
Erika (@ierika)

ierika

Python, JavaScript
5
star
19066
@HappyKoyo

HappyKoyo

Python
5
star
19067
sato.ken (@ks-cap)

ks-cap

Swift, C++, C
5
star
19068
Ikuma Hayashi (@IkumaHayashi)

IkumaHayashi

Dockerfile, CSS, PHP
5
star
19069
Dimitris Katsios (@dkatsios)

dkatsios

Jupyter Notebook, Java
5
star
19070
ミーゴレン (@Migoreng)

Migoreng

Shell
5
star
19071
Kazuki Yokoi (@k-yokoi)

k-yokoi

Java
5
star
19072
Kosar Khajeh (@kosar7)

kosar7

C
5
star
19073
TAKAHIRO (@sattn)

sattn

Java, Makefile
5
star
19074
Mark Escolano (@Markila-BOT)

Markila-BOT

5
star
19075
Yu Tateno (@yutateno)

yutateno

C++, C#
5
star
19076
Marco, Chang (@triper1022)

triper1022

5
star
19077
@soltia48

soltia48

Python, Shell
5
star
19078
Hiroki Ishioka (@ishioka0222)

ishioka0222

Coq
5
star
19079
Maxime ROUFFET (@mrouffet)

mrouffet

C++
5
star
19080
Ishmam Abir | イシュマム・アビル (@IshmamAbir)

IshmamAbir

Go
5
star
19081
三嶋 隆史 (@Mishima-Ryuji)

Mishima-Ryuji

TypeScript
5
star
19082
Yoshiaki Oi (@YoshiakiOi-Private)

YoshiakiOi-Private

5
star
19083
Sujata (@dipsuji)

dipsuji

Jupyter Notebook, Kotlin, JavaScript
5
star
19084
Kohei Kanda (@arupakan125)

arupakan125

Python, Shell
5
star
19085
goto yuta (@goto-yuta)

goto-yuta

5
star
19086
ID (@idokaraderu)

idokaraderu

Shell
5
star
19087
@pea-sys

pea-sys

C#, PowerShell
5
star
19088
@torish14

torish14

JavaScript, Vue
5
star
19089
@You-saku

You-saku

PHP, Python, Dockerfile
5
star
19090
@satoshi9515

satoshi9515

PHP, HTML, C++
5
star
19091
Shuhei Tsuriya (@tshuhei)

tshuhei

Jupyter Notebook, Ruby
5
star
19092
Seiya Takeno (@yoangelo)

yoangelo

Ruby
5
star
19093
Nice Kumada (@kumada713)

kumada713

JavaScript
5
star
19094
Tatsuhiko Akiyama (@gorira-tatsu)

gorira-tatsu

TypeScript, HTML, Astro
5
star
19095
Toshihiko Sakai (@tossyi)

tossyi

Python
5
star
19096
Shi0n (@er1ce)

er1ce

Thrift
5
star
19097
Timothé Coniel (@titi0267)

titi0267

C++, C, TypeScript
5
star
19098
Yusuke Muto (@yskmt2018)

yskmt2018

Jupyter Notebook
5
star
19099
Abhishek Wagh (@abhiwagh95)

abhiwagh95

Jupyter Notebook
5
star
19100
Yusuke Akamatsu (@YusukeAkamatsu0925)

YusukeAkamatsu0925

Jupyter Notebook
5
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.