committers.top

A list of the most active GitHub users

Most active GitHub users in Japan

This is a list of most active GitHub users in Japan over the past year. Other countries/regions can be found here. This list was generated at 2026-06-28 02:57:02 +0000 and machine-readable JSON is available for:

This list is generated with this piece of code. The logic is as follows (in pseudocode): 

githubUsers.sort(_.followers)
           .filter(_.location == 'Japan') 
           .take(1000)
           .sort(_.contributions)
           .take(256)

This list contains all public contributions for each user. There are 136633 total users in the region and you need at least 127 followers to be on this list.

Badges are also available, which you can include on your profile pages. Simply include the following markdown for users: 

[![committers.top badge](https://user-badge.committers.top/japan_public/USERNAME.svg)](https://user-badge.committers.top/japan_public/USERNAME)
For organizations, you need to use a slightly different markup: 
[![committers.top badge](https://org-badge.committers.top/japan_public/ORGNAME.svg)](https://org-badge.committers.top/japan_public/ORGNAME)
In case you aren't currently ranked on this page, you'll simply receive an "unranked" badge.

Rank User Contribs Picture
1. bannzai
(bannzai)		 36966 Avatar for bannzai
2. MagicalTux
(Mark Karpelès)		 26994 Avatar for MagicalTux
3. rsasaki0109
(Ryohei Sasaki)		 23430 Avatar for rsasaki0109
4. mizchi
(Kotaro Chikuba)		 18470 Avatar for mizchi
5. yuiseki
(yuiseki)		 17653 Avatar for yuiseki
6. tokuhirom
(Tokuhiro Matsuno)		 17239 Avatar for tokuhirom
7. Takazudo
(Takeshi Takatsudo)		 15481 Avatar for Takazudo
8. fumiya-kume
(kuu(Fumiya Kume))		 13264 Avatar for fumiya-kume
9. j5ik2o
(Junichi Kato)		 12234 Avatar for j5ik2o
10. unhappychoice
(Yuji Ueki)		 12114 Avatar for unhappychoice
11. ncaq
()		 11678 Avatar for ncaq
12. mizzy
(Gosuke Miyashita)		 11110 Avatar for mizzy
13. houko
(Evan)		 9723 Avatar for houko
14. xuwei-k
(kenji yoshida)		 9463 Avatar for xuwei-k
15. ubugeeei
(ubugeeei)		 9462 Avatar for ubugeeei
16. sile
(Takeru Ohta)		 9210 Avatar for sile
17. syoyo
(Syoyo Fujita)		 9087 Avatar for syoyo
18. yaneurao
(yaneurao)		 8743 Avatar for yaneurao
19. manman4
(manman4)		 8576 Avatar for manman4
20. tekezo
(Takayama Fumihiko)		 8275 Avatar for tekezo
21. yanorei32
(Ray Yano | あねてあ)		 8206 Avatar for yanorei32
22. taiki-e
(Taiki Endo)		 7870 Avatar for taiki-e
23. ryota-murakami
(Ryota Murakami)		 7679 Avatar for ryota-murakami
24. koriym
(Akihito Koriyama)		 7629 Avatar for koriym
25. shinaoka
(Hiroshi Shinaoka)		 7556 Avatar for shinaoka
26. shogo82148
(ICHINOSE Shogo)		 7513 Avatar for shogo82148
27. sue445
(Go Sueyoshi)		 7368 Avatar for sue445
28. miyako
(Keisuke Miyako)		 7305 Avatar for miyako
29. conao3
(Naoya Yamashita)		 7294 Avatar for conao3
30. k1LoW
(Ken’ichiro Oyama)		 7246 Avatar for k1LoW
31. atusy
()		 7032 Avatar for atusy
32. sapphi-red
(翠)		 7025 Avatar for sapphi-red
33. azu
(azu)		 6812 Avatar for azu
34. lhl
(Leonard)		 6768 Avatar for lhl
35. kojix2
()		 6555 Avatar for kojix2
36. shinh
(Shinichiro Hamaji)		 6469 Avatar for shinh
37. harupy
(Harutaka Kawamura)		 6441 Avatar for harupy
38. suzuki-shunsuke
(Shunsuke Suzuki)		 6329 Avatar for suzuki-shunsuke
39. hsbt
(Hiroshi SHIBATA)		 6294 Avatar for hsbt
40. lestrrat
(lestrrat)		 6224 Avatar for lestrrat
41. guitarrapc
(Ikiru Yoshizaki)		 6078 Avatar for guitarrapc
42. MH4GF
(Hirotaka Miyagi)		 5889 Avatar for MH4GF
43. winebarrel
(Genki Sugawara)		 5844 Avatar for winebarrel
44. yuki-kimoto
(Yuki Kimoto)		 5792 Avatar for yuki-kimoto
45. hakatashi
(Koki Takahashi)		 5654 Avatar for hakatashi
46. wajahat-ali-mir-dev
(Wajahat Ali Mir)		 5599 Avatar for wajahat-ali-mir-dev
47. ko1
(Koichi Sasada)		 5576 Avatar for ko1
48. katahiromz
(Katayama Hirofumi MZ)		 5508 Avatar for katahiromz
49. ianlewis
(Ian Lewis)		 5442 Avatar for ianlewis
50. nateberkopec
(Nate Berkopec)		 5329 Avatar for nateberkopec
51. tkoyama010
(Tetsuo Koyama)		 5326 Avatar for tkoyama010
52. sxzz
(Kevin Deng)		 5153 Avatar for sxzz
53. zonuexe
(USAMI Kenta)		 5033 Avatar for zonuexe
54. matz
(Yukihiro "Matz" Matsumoto)		 4959 Avatar for matz
55. europanite
(europanite)		 4852 Avatar for europanite
56. sksat
(sksat)		 4832 Avatar for sksat
57. tk0miya
(Takeshi KOMIYA)		 4826 Avatar for tk0miya
58. YumNumm
(Ryotaro Onoue)		 4718 Avatar for YumNumm
59. bootjp
(Yoshiaki Ueda (bootjp))		 4699 Avatar for bootjp
60. myuon
(myuon)		 4684 Avatar for myuon
61. AkihiroSuda
(Akihiro Suda)		 4678 Avatar for AkihiroSuda
62. hi-ogawa
(Hiroshi Ogawa)		 4660 Avatar for hi-ogawa
63. kurone-kito
(Kuroné Kito (黒音キト))		 4656 Avatar for kurone-kito
64. hymkor
(HAYAMA Kaoru)		 4481 Avatar for hymkor
65. ykzts
(Yamagishi Kazutoshi)		 4478 Avatar for ykzts
66. LumaKernel
(Luma)		 4464 Avatar for LumaKernel
67. kou
(Sutou Kouhei)		 4455 Avatar for kou
68. mattn
(mattn)		 4421 Avatar for mattn
69. gfx
(FUJI Goro)		 4337 Avatar for gfx
70. 1amageek
(1amageek)		 4276 Avatar for 1amageek
71. EdamAme-x
(EdamAmex)		 4258 Avatar for EdamAme-x
72. ursm
(Keita Urashima)		 4197 Avatar for ursm
73. halogenandtoast
(Matthew Mongeau)		 4149 Avatar for halogenandtoast
74. komagata
(Masaki Komagata)		 4070 Avatar for komagata
75. yamadashy
(Kazuki Yamada)		 4052 Avatar for yamadashy
76. t-hamano
(Aki Hamano)		 4046 Avatar for t-hamano
77. amatsuda
(Akira Matsuda)		 4002 Avatar for amatsuda
78. wkentaro
(Kentaro Wada)		 3989 Avatar for wkentaro
79. bobbens
(Edgar Simo-Serra)		 3985 Avatar for bobbens
80. nazozokc
(nazozokc)		 3943 Avatar for nazozokc
81. fujiwara
(FUJIWARA Shunichiro)		 3939 Avatar for fujiwara
82. dalance
(Naoya Hatta)		 3932 Avatar for dalance
83. cybergarage
(Satoshi Konno)		 3903 Avatar for cybergarage
84. m-mizutani
(Masayoshi Mizutani)		 3857 Avatar for m-mizutani
85. yasulab
(Yohei Yasukawa)		 3831 Avatar for yasulab
86. hakuturu583
(Masaya Kataoka)		 3814 Avatar for hakuturu583
87. lambdalisue
(Λlisue)		 3780 Avatar for lambdalisue
88. 2bbb
(2bit)		 3751 Avatar for 2bbb
89. toastkidjp
(Toast kid)		 3739 Avatar for toastkidjp
90. mumoshu
(Yusuke Kuoka)		 3731 Avatar for mumoshu
91. otnc
(otoneko.)		 3700 Avatar for otnc
92. sevenc-nanashi
(Nanashi.)		 3639 Avatar for sevenc-nanashi
93. coji
(Coji Mizoguchi)		 3597 Avatar for coji
94. koki-develop
(Koki Sato)		 3515 Avatar for koki-develop
95. ytakano
(ytakano)		 3453 Avatar for ytakano
96. fox0430
(Shuu)		 3430 Avatar for fox0430
97. seriaati
(seria)		 3413 Avatar for seriaati
98. NishiOwO
(Nishi)		 3412 Avatar for NishiOwO
99. yug1224
(Yuji Yamaguchi)		 3396 Avatar for yug1224
100. terasakisatoshi
(Satoshi Terasaki)		 3365 Avatar for terasakisatoshi
101. peppy
(Dean Herbert)		 3344 Avatar for peppy
102. aviatesk
(Shuhei Kadowaki)		 3342 Avatar for aviatesk
103. satoharuto961-dev
(Sato Haruto)		 3190 Avatar for satoharuto961-dev
104. bee-san
(Autumn (Bee))		 3137 Avatar for bee-san
105. PINTO0309
(Katsuya Hyodo)		 3137 Avatar for PINTO0309
106. shimbaco
(Shimba, Koji)		 3125 Avatar for shimbaco
107. JohnTitor
(Yuki Okushi)		 3106 Avatar for JohnTitor
108. takahashim
(Masayoshi Takahashi)		 3103 Avatar for takahashim
109. sorairolake
(Shun Sakai)		 3090 Avatar for sorairolake
110. mashharuki
(Haruki Kondo)		 3088 Avatar for mashharuki
111. mackysoft
(Makihiro)		 3057 Avatar for mackysoft
112. making
(Toshiaki Maki)		 3023 Avatar for making
113. Hiroshiba
(Hiroshiba)		 3015 Avatar for Hiroshiba
114. bmf-san
(Kenta Takeuchi)		 2972 Avatar for bmf-san
115. kazupon
(kazuya kawaguchi)		 2972 Avatar for kazupon
116. tatsuhiro-t
(Tatsuhiro Tsujikawa)		 2953 Avatar for tatsuhiro-t
117. yohasebe
(Yoichiro Hasebe)		 2941 Avatar for yohasebe
118. himkt
(himkt)		 2930 Avatar for himkt
119. koji
(koji)		 2909 Avatar for koji
120. kmizu
(Kota Mizushima)		 2904 Avatar for kmizu
121. jiangzhuo
(Jiangzhuo )		 2904 Avatar for jiangzhuo
122. hoochanlon
(123456)		 2900 Avatar for hoochanlon
123. sivchari
(Takuma Shibuya)		 2899 Avatar for sivchari
124. yohamta0
(Yota Hamada)		 2872 Avatar for yohamta0
125. koxudaxi
(Koudai Aono)		 2865 Avatar for koxudaxi
126. aiya000
(aiya000)		 2835 Avatar for aiya000
127. yutkat
(Yuta Katayama)		 2766 Avatar for yutkat
128. 1024jp
(1024jp)		 2764 Avatar for 1024jp
129. onevcat
(Wei Wang)		 2761 Avatar for onevcat
130. whitphx
(Yuichiro Tachibana (Tsuchiya))		 2757 Avatar for whitphx
131. keijiro
(Keijiro Takahashi)		 2757 Avatar for keijiro
132. linyows
(Tomohisa Oda)		 2742 Avatar for linyows
133. gkjohnson
(Garrett Johnson)		 2741 Avatar for gkjohnson
134. boxp
(Keitaro Takeuchi)		 2722 Avatar for boxp
135. haya14busa
(haya14busa)		 2721 Avatar for haya14busa
136. anatawa12
(anatawa12)		 2707 Avatar for anatawa12
137. seratch
(Kazuhiro Sera)		 2700 Avatar for seratch
138. yshrsmz
(Yasuhiro SHIMIZU)		 2648 Avatar for yshrsmz
139. kishikawakatsumi
(Kishikawa Katsumi)		 2643 Avatar for kishikawakatsumi
140. eitsupi
()		 2641 Avatar for eitsupi
141. nuitsjp
(Atsushi Nakamura)		 2616 Avatar for nuitsjp
142. hajimehoshi
(Hajime Hoshi)		 2582 Avatar for hajimehoshi
143. unasuke
(Yusuke Nakamura)		 2547 Avatar for unasuke
144. coliff
(Christian Oliff)		 2523 Avatar for coliff
145. atztogo
(Atsushi Togo)		 2519 Avatar for atztogo
146. akiomik
(Akiomi KAMAKURA)		 2493 Avatar for akiomik
147. Watson1978
(Shizuo Fujita)		 2469 Avatar for Watson1978
148. john-rocky
(Daisuke Majima)		 2442 Avatar for john-rocky
149. sigma7863
(Sigma)		 2435 Avatar for sigma7863
150. tmori
(Takashi Mori)		 2433 Avatar for tmori
151. Jannchie
(Jianqi Pan)		 2428 Avatar for Jannchie
152. ksoichiro
(Soichiro Kashima)		 2404 Avatar for ksoichiro
153. cpojer
(Christoph Nakazawa)		 2381 Avatar for cpojer
154. nobu
(Nobuyoshi Nakada)		 2374 Avatar for nobu
155. kubosho
(KUBOTA Shōta)		 2366 Avatar for kubosho
156. atsushieno
(Atsushi Eno)		 2358 Avatar for atsushieno
157. tenzen-y
(Yuki Iwai)		 2343 Avatar for tenzen-y
158. toyoshim
(Takashi Toyoshima)		 2331 Avatar for toyoshim
159. walf443
(Keiji, Yoshimi)		 2327 Avatar for walf443
160. zchee
(Koichi Shiraishi)		 2296 Avatar for zchee
161. kitao
(Takashi Kitao)		 2292 Avatar for kitao
162. mosuka
(Minoru OSUKA)		 2283 Avatar for mosuka
163. koic
(Koichi ITO)		 2272 Avatar for koic
164. PTOM76
(Pitan)		 2271 Avatar for PTOM76
165. miurahr
(Hiroshi Miura)		 2269 Avatar for miurahr
166. hasumikin
(HASUMI Hitoshi)		 2225 Avatar for hasumikin
167. kkebo
(Kenta Kubo)		 2217 Avatar for kkebo
168. Saqoosha
(Saqoosha)		 2164 Avatar for Saqoosha
169. leaysgur
(Yuji Sugiura)		 2152 Avatar for leaysgur
170. kt3k
(Yoshiya Hinosawa)		 2134 Avatar for kt3k
171. tyoshikawa1106
(Taiki Yoshikawa)		 2119 Avatar for tyoshikawa1106
172. norbusan
(Norbert Preining)		 2105 Avatar for norbusan
173. fujitatomoya
(Tomoya Fujita)		 2098 Avatar for fujitatomoya
174. AdingApkgg
(Asuna)		 2096 Avatar for AdingApkgg
175. sideshowbarker
()		 2061 Avatar for sideshowbarker
176. trust-delta
(trust-delta)		 2060 Avatar for trust-delta
177. Songmu
(Masayuki Matsuki)		 2055 Avatar for Songmu
178. masatoi
(Satoshi Imai)		 2041 Avatar for masatoi
179. bouzuya
(bouzuya)		 2031 Avatar for bouzuya
180. yusukebe
(Yusuke Wada)		 1961 Avatar for yusukebe
181. koron
(MURAOKA Taro)		 1958 Avatar for koron
182. shyouhei
(卜部昌平)		 1951 Avatar for shyouhei
183. kexi
(Kei Nakayama)		 1946 Avatar for kexi
184. skanehira
(skanehira)		 1946 Avatar for skanehira
185. mcgoon
(van)		 1901 Avatar for mcgoon
186. yoshoku
(Atsushi Tatsuma)		 1898 Avatar for yoshoku
187. nercone-dev
(nercone)		 1898 Avatar for nercone-dev
188. mopemope
(Yutaka Matsubara)		 1893 Avatar for mopemope
189. f0reachARR
(ぐるぐる)		 1865 Avatar for f0reachARR
190. hfu
(Hidenori)		 1861 Avatar for hfu
191. Narazaka
(Narazaka)		 1859 Avatar for Narazaka
192. inokawa
()		 1847 Avatar for inokawa
193. dai-shi
(Daishi Kato)		 1838 Avatar for dai-shi
194. touyou
(Fujii Yosuke)		 1830 Avatar for touyou
195. kawasima
(Yoshitaka Kawashima)		 1825 Avatar for kawasima
196. ota-meshi
(Yosuke Ota)		 1813 Avatar for ota-meshi
197. hardfist
(hardfist)		 1809 Avatar for hardfist
198. pocke
(Masataka Pocke Kuwabara)		 1793 Avatar for pocke
199. sorah
(Sorah Fukumori)		 1783 Avatar for sorah
200. privatenumber
(Hiroki Osame)		 1776 Avatar for privatenumber
201. kazuho
(Kazuho Oku)		 1771 Avatar for kazuho
202. masutaka
(Takashi Masuda)		 1764 Avatar for masutaka
203. rigaya
(rigaya)		 1759 Avatar for rigaya
204. rob0pup
(R²)		 1754 Avatar for rob0pup
205. sotarok
(Sotaro Karasawa)		 1733 Avatar for sotarok
206. okunokentaro
(OKUNOKENTARO)		 1721 Avatar for okunokentaro
207. tadashi-aikawa
(Tadashi Aikawa)		 1715 Avatar for tadashi-aikawa
208. yutannihilation
(Hiroaki Yutani)		 1707 Avatar for yutannihilation
209. kyamagu
(Kota Yamaguchi)		 1702 Avatar for kyamagu
210. smoogipoo
(Dan Balasescu)		 1693 Avatar for smoogipoo
211. jsakamoto
()		 1689 Avatar for jsakamoto
212. taisukef
(Taisuke Fukuno)		 1687 Avatar for taisukef
213. tokoik
(Kohe Tokoi)		 1686 Avatar for tokoik
214. shotamatsuda
(Shota Matsuda)		 1670 Avatar for shotamatsuda
215. knu
(Akinori Musha)		 1667 Avatar for knu
216. babarot
(Masaki ISHIYAMA)		 1660 Avatar for babarot
217. ktoso
(Konrad `ktoso` Malawski)		 1657 Avatar for ktoso
218. Kanahiro
(Kanahiro Iguchi)		 1646 Avatar for Kanahiro
219. cho45
(Satoh, Hiroh)		 1628 Avatar for cho45
220. noborus
(Noboru Saito)		 1627 Avatar for noborus
221. tseijp
(sei)		 1602 Avatar for tseijp
222. h3poteto
(AkiraFukushima)		 1591 Avatar for h3poteto
223. yahonda
(Yasuo Honda)		 1590 Avatar for yahonda
224. waylandzhang
(WAYLAND ZHANG)		 1589 Avatar for waylandzhang
225. taishikato
(Taishi)		 1580 Avatar for taishikato
226. Shougo
(Shougo)		 1572 Avatar for Shougo
227. vraestoren
(huok)		 1562 Avatar for vraestoren
228. luadebug
(Saikari)		 1537 Avatar for luadebug
229. whoisdjam
(Sato Haruto)		 1536 Avatar for whoisdjam
230. konn
(Hiromi Ishii)		 1531 Avatar for konn
231. fetus-hina
(AIZAWA Hina)		 1524 Avatar for fetus-hina
232. fujita
(FUJITA Tomonori)		 1518 Avatar for fujita
233. int128
(Hidetake Iwata)		 1517 Avatar for int128
234. nwtgck
(Ryo Ota)		 1513 Avatar for nwtgck
235. tetsuharuohzeki
(Tetsuharu Ohzeki)		 1494 Avatar for tetsuharuohzeki
236. lacolaco
(Suguru Inatomi)		 1487 Avatar for lacolaco
237. udzura
(Kondo Uchio)		 1475 Avatar for udzura
238. deepak1556
(Robo)		 1475 Avatar for deepak1556
239. uonr
(uonr)		 1475 Avatar for uonr
240. yuja
(Yuya Nishihara)		 1472 Avatar for yuja
241. syohex
(Shohei YOSHIDA)		 1470 Avatar for syohex
242. otiai10
(Hiromu OCHIAI)		 1464 Avatar for otiai10
243. ynqa
()		 1464 Avatar for ynqa
244. pookjw
(Jinwoo Kim)		 1454 Avatar for pookjw
245. wasabeef
(Daichi Furiya)		 1450 Avatar for wasabeef
246. smallkirby
(smallkirby)		 1447 Avatar for smallkirby
247. takahirom
(Takahiro Menju)		 1437 Avatar for takahirom
248. champierre
(Junya Ishihara)		 1435 Avatar for champierre
249. machida
(machida)		 1430 Avatar for machida
250. wadackel
(tsuyoshi wada)		 1428 Avatar for wadackel
251. RobertTLange
(Robert Tjarko Lange)		 1398 Avatar for RobertTLange
252. TimOliver
(Tim Oliver)		 1396 Avatar for TimOliver
253. c-bata
(c-bata)		 1396 Avatar for c-bata
254. kanru
(Kan-Ru Chen)		 1395 Avatar for kanru
255. eltociear
(Ikko Eltociear Ashimine)		 1384 Avatar for eltociear
256. lan496
(Kohei Shinohara)		 1380 Avatar for lan496

Organizations

Rank Organization Members
1. ruby 8
2. epicgames 7
3. vim-jp 7
4. asakusarb 6
5. perl-users-jp 5
6. ruby-no-kai 5
7. emacs-jp 5
8. oss-gate 4
9. ukigumo 4
10. scalajp 4