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 2026-07-09 08:14:34 +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 contributions for each user (public & private). There are 137380 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_private/USERNAME.svg)](https://user-badge.committers.top/japan_private/USERNAME)
For organizations, you need to use a slightly different markup: 
[![committers.top badge](https://org-badge.committers.top/japan_private/ORGNAME.svg)](https://org-badge.committers.top/japan_private/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)		 99106 Avatar for bannzai
2. Takazudo
(Takeshi Takatsudo)		 51399 Avatar for Takazudo
3. kishikawakatsumi
(Kishikawa Katsumi)		 42200 Avatar for kishikawakatsumi
4. cybergarage
(Satoshi Konno)		 41685 Avatar for cybergarage
5. MagicalTux
(Mark Karpelès)		 30915 Avatar for MagicalTux
6. terasakisatoshi
(Satoshi Terasaki)		 28052 Avatar for terasakisatoshi
7. houko
(Evan)		 24520 Avatar for houko
8. rsasaki0109
(Ryohei Sasaki)		 23767 Avatar for rsasaki0109
9. mizchi
(Kotaro Chikuba)		 21954 Avatar for mizchi
10. amachang
(Hitoshi Amano)		 21161 Avatar for amachang
11. unhappychoice
(Yuji Ueki)		 21101 Avatar for unhappychoice
12. yuiseki
(yuiseki)		 20435 Avatar for yuiseki
13. j5ik2o
(Junichi Kato)		 19509 Avatar for j5ik2o
14. normful
(Norman Sue)		 19043 Avatar for normful
15. Songmu
(Masayuki Matsuki)		 18427 Avatar for Songmu
16. baba-s
(baba_s)		 18416 Avatar for baba-s
17. shikajiro
(shikajiro)		 18269 Avatar for shikajiro
18. tokuhirom
(Tokuhiro Matsuno)		 18003 Avatar for tokuhirom
19. shinh
(Shinichiro Hamaji)		 17851 Avatar for shinh
20. dev-yakuza
(DeKu)		 17749 Avatar for dev-yakuza
21. fumiya-kume
(kuu(Fumiya Kume))		 17649 Avatar for fumiya-kume
22. mizzy
(Gosuke Miyashita)		 17243 Avatar for mizzy
23. ncaq
()		 16659 Avatar for ncaq
24. lhl
(Leonard)		 16593 Avatar for lhl
25. manman4
(manman4)		 15537 Avatar for manman4
26. Coordinate-Cat
(Ocat)		 15426 Avatar for Coordinate-Cat
27. winebarrel
(Genki Sugawara)		 15290 Avatar for winebarrel
28. ThaddeusJiang
(天海 原 / AMAMI Hara)		 14834 Avatar for ThaddeusJiang
29. k-takeuchi220
(Katsushi Takeuchi)		 14694 Avatar for k-takeuchi220
30. morizyun
(morizyun)		 14511 Avatar for morizyun
31. yuzushioh
(yuzushioh)		 14438 Avatar for yuzushioh
32. babarot
(Masaki ISHIYAMA)		 14264 Avatar for babarot
33. harupy
(Harutaka Kawamura)		 13724 Avatar for harupy
34. SlashNephy
()		 13390 Avatar for SlashNephy
35. siketyan
(Naoki Ikeguchi)		 13248 Avatar for siketyan
36. ukonpower
(ukonpower)		 13247 Avatar for ukonpower
37. bokuweb
(bokuweb)		 13166 Avatar for bokuweb
38. YumNumm
(Ryotaro Onoue)		 12405 Avatar for YumNumm
39. dtaniwaki
(Daisuke Taniwaki)		 12368 Avatar for dtaniwaki
40. saltyshiomix
(Shiono Yoshihide)		 12313 Avatar for saltyshiomix
41. MH4GF
(Hirotaka Miyagi)		 12303 Avatar for MH4GF
42. luvtechno
(Yoshinori Kawasaki)		 11781 Avatar for luvtechno
43. spinute
(Pin)		 11743 Avatar for spinute
44. ubugeeei
(ubugeeei)		 11607 Avatar for ubugeeei
45. sile
(Takeru Ohta)		 11548 Avatar for sile
46. sksat
(sksat)		 11400 Avatar for sksat
47. kurone-kito
(Kuroné Kito (黒音キト))		 11377 Avatar for kurone-kito
48. suzuki-shunsuke
(Shunsuke Suzuki)		 11326 Avatar for suzuki-shunsuke
49. myuon
(myuon)		 11216 Avatar for myuon
50. riseshia
(Shia)		 10973 Avatar for riseshia
51. susieyy
(yohei sugigami)		 10844 Avatar for susieyy
52. coliff
(Christian Oliff)		 10819 Avatar for coliff
53. nkjzm
(Nakaji Kohki)		 10198 Avatar for nkjzm
54. touyou
(Fujii Yosuke)		 10186 Avatar for touyou
55. guitarrapc
(Ikiru Yoshizaki)		 10185 Avatar for guitarrapc
56. bootjp
(Yoshiaki Ueda (bootjp))		 9987 Avatar for bootjp
57. shogo82148
(ICHINOSE Shogo)		 9909 Avatar for shogo82148
58. shinaoka
(Hiroshi Shinaoka)		 9758 Avatar for shinaoka
59. xuwei-k
(kenji yoshida)		 9747 Avatar for xuwei-k
60. sotetsuk
(Sotetsu KOYAMADA)		 9730 Avatar for sotetsuk
61. yaneurao
(yaneurao)		 9555 Avatar for yaneurao
62. ssig33
(ssig33)		 9539 Avatar for ssig33
63. privatenumber
(Hiroki Osame)		 9537 Avatar for privatenumber
64. sue445
(Go Sueyoshi)		 9454 Avatar for sue445
65. syoyo
(Syoyo Fujita)		 9446 Avatar for syoyo
66. exoego
(TATSUNO “Taz” Yasuhiro)		 9403 Avatar for exoego
67. taiki-e
(Taiki Endo)		 9332 Avatar for taiki-e
68. ryota-murakami
(Ryota Murakami)		 9219 Avatar for ryota-murakami
69. okunokentaro
(OKUNOKENTARO)		 9201 Avatar for okunokentaro
70. lan496
(Kohei Shinohara)		 9121 Avatar for lan496
71. technote-space
(Takahashi)		 9085 Avatar for technote-space
72. kjirou
(Kojiro Ishii)		 9062 Avatar for kjirou
73. seanchas116
(Ryohei Ikegami)		 9023 Avatar for seanchas116
74. yshrsmz
(Yasuhiro SHIMIZU)		 8938 Avatar for yshrsmz
75. builtinnya
(Naoto Yokoyama)		 8922 Avatar for builtinnya
76. otiai10
(Hiromu OCHIAI)		 8800 Avatar for otiai10
77. hsbt
(Hiroshi SHIBATA)		 8656 Avatar for hsbt
78. nateberkopec
(Nate Berkopec)		 8519 Avatar for nateberkopec
79. lambdalisue
(Λlisue)		 8414 Avatar for lambdalisue
80. nulltask
(Seiya KONNO)		 8406 Avatar for nulltask
81. tekezo
(Takayama Fumihiko)		 8392 Avatar for tekezo
82. h3poteto
(AkiraFukushima)		 8293 Avatar for h3poteto
83. yanorei32
(Ray Yano | あねてあ)		 8231 Avatar for yanorei32
84. nuitsjp
(Atsushi Nakamura)		 8146 Avatar for nuitsjp
85. fukayatsu
(Atsuo Fukaya)		 8136 Avatar for fukayatsu
86. yamadashy
(Kazuki Yamada)		 8006 Avatar for yamadashy
87. atusy
()		 7902 Avatar for atusy
88. dragon3
(Ryuzo Yamamoto)		 7893 Avatar for dragon3
89. toshi0383
(Toshihiro Suzuki)		 7875 Avatar for toshi0383
90. wadackel
(tsuyoshi wada)		 7850 Avatar for wadackel
91. hogelog
(hogelog)		 7817 Avatar for hogelog
92. ianlewis
(Ian Lewis)		 7723 Avatar for ianlewis
93. koriym
(Akihito Koriyama)		 7710 Avatar for koriym
94. sapphi-red
(翠)		 7652 Avatar for sapphi-red
95. yuya-takeyama
(Yuya Takeyama)		 7647 Avatar for yuya-takeyama
96. m-mizutani
(Masayoshi Mizutani)		 7636 Avatar for m-mizutani
97. sobri909
(Matt Greenfield)		 7612 Avatar for sobri909
98. kenn
(Kenn Ejima)		 7605 Avatar for kenn
99. 1amageek
(1amageek)		 7603 Avatar for 1amageek
100. rjyo
(Jo)		 7573 Avatar for rjyo
101. laysakura
(Sho Nakatani)		 7561 Avatar for laysakura
102. horita-yuya
(horita-yuya)		 7460 Avatar for horita-yuya
103. edom18
(edo)		 7440 Avatar for edom18
104. airtoxin
(Ryoji Miyazato)		 7429 Avatar for airtoxin
105. yug1224
(Yuji Yamaguchi)		 7425 Avatar for yug1224
106. takahirom
(Takahiro Menju)		 7399 Avatar for takahirom
107. conao3
(Naoya Yamashita)		 7374 Avatar for conao3
108. jfbastien
(JF Bastien)		 7365 Avatar for jfbastien
109. miyako
(Keisuke Miyako)		 7356 Avatar for miyako
110. retoruto-carry
(れとるときゃりー)		 7312 Avatar for retoruto-carry
111. lestrrat
(lestrrat)		 7307 Avatar for lestrrat
112. kotarella1110
(Kotaro Sugawara)		 7305 Avatar for kotarella1110
113. eggplants
(haruna)		 7253 Avatar for eggplants
114. omochi
(omochimetaru)		 7252 Avatar for omochi
115. ohbarye
(Masato Ohba)		 7250 Avatar for ohbarye
116. ursm
(Keita Urashima)		 7222 Avatar for ursm
117. EdamAme-x
(EdamAmex)		 7204 Avatar for EdamAme-x
118. k1LoW
(Ken’ichiro Oyama)		 7169 Avatar for k1LoW
119. coji
(Coji Mizoguchi)		 7127 Avatar for coji
120. rob0pup
(Robin)		 7111 Avatar for rob0pup
121. a-r-g-v
(Yuki Mukasa ( a_r_g_v ))		 7103 Avatar for a-r-g-v
122. vvakame
(Masahiro Wakame)		 7046 Avatar for vvakame
123. cutmail
(Tatsuya Arai)		 7016 Avatar for cutmail
124. ngs
(Atsushi NAGASE)		 6970 Avatar for ngs
125. champierre
(Junya Ishihara)		 6968 Avatar for champierre
126. akameco
(akameco)		 6966 Avatar for akameco
127. tkoyama010
(Tetsuo Koyama)		 6957 Avatar for tkoyama010
128. koki-develop
(Koki Sato)		 6936 Avatar for koki-develop
129. k-nasa
(nasa)		 6934 Avatar for k-nasa
130. mika-f
(MOCHIZUKI Kanon)		 6891 Avatar for mika-f
131. sotarok
(Sotaro Karasawa)		 6583 Avatar for sotarok
132. boxp
(Keitaro Takeuchi)		 6550 Avatar for boxp
133. naichilab
(naichi)		 6539 Avatar for naichilab
134. mattatz
(Masatatsu Nakamura)		 6524 Avatar for mattatz
135. morizotter
(Morita Naoki)		 6517 Avatar for morizotter
136. UdonDa
(Udon)		 6513 Avatar for UdonDa
137. Kanahiro
(Kanahiro Iguchi)		 6484 Avatar for Kanahiro
138. kojix2
()		 6481 Avatar for kojix2
139. azu
(azu)		 6449 Avatar for azu
140. waylandzhang
(WAYLAND ZHANG)		 6407 Avatar for waylandzhang
141. hideakitai
(Hideaki Tai)		 6368 Avatar for hideakitai
142. LumaKernel
(Luma)		 6362 Avatar for LumaKernel
143. Code-Hex
(Kei Kamikawa)		 6349 Avatar for Code-Hex
144. banyan
(Kohei Hasegawa)		 6321 Avatar for banyan
145. hhatto
(Hideo Hattori)		 6307 Avatar for hhatto
146. hakatashi
(Koki Takahashi)		 6182 Avatar for hakatashi
147. sys1yagi
(Toshihiro Yagi)		 6159 Avatar for sys1yagi
148. wkentaro
(Kentaro Wada)		 6150 Avatar for wkentaro
149. dvcrn
(David)		 6093 Avatar for dvcrn
150. 3846masa
(Masahiro Miyashiro (3846masa))		 6064 Avatar for 3846masa
151. Saqoosha
(Saqoosha)		 6032 Avatar for Saqoosha
152. rosylilly
(Sho Kusano)		 6024 Avatar for rosylilly
153. XiaomingX
(Y11)		 6010 Avatar for XiaomingX
154. seriaati
(seria)		 6002 Avatar for seriaati
155. okotaku
(takuoko)		 5981 Avatar for okotaku
156. breezewish
(Wish)		 5948 Avatar for breezewish
157. kosukesaigusa
(Kosuke Saigusa)		 5942 Avatar for kosukesaigusa
158. sxzz
(Kevin Deng)		 5918 Avatar for sxzz
159. magurotuna
(Yusuke Tanaka)		 5913 Avatar for magurotuna
160. hajimehoshi
(Hajime Hoshi)		 5882 Avatar for hajimehoshi
161. zonuexe
(USAMI Kenta)		 5865 Avatar for zonuexe
162. kexi
(Kei Nakayama)		 5840 Avatar for kexi
163. timakin
(Seiji Takahashi)		 5777 Avatar for timakin
164. yuki-kimoto
(Yuki Kimoto)		 5749 Avatar for yuki-kimoto
165. catnose99
(catnose)		 5733 Avatar for catnose99
166. TakuSemba
(TakuSemba)		 5730 Avatar for TakuSemba
167. mackysoft
(Makihiro)		 5724 Avatar for mackysoft
168. john-rocky
(Daisuke Majima)		 5714 Avatar for john-rocky
169. ogaclejapan
(ogaclejapan)		 5693 Avatar for ogaclejapan
170. wajahat-ali-mir-dev
(Wajahat Ali Mir)		 5692 Avatar for wajahat-ali-mir-dev
171. hakuturu583
(Masaya Kataoka)		 5686 Avatar for hakuturu583
172. mogaming217
(moga)		 5670 Avatar for mogaming217
173. snoozer05
(SHIMADA Koji)		 5660 Avatar for snoozer05
174. yohamta0
(Yota Hamada)		 5657 Avatar for yohamta0
175. ko1
(Koichi Sasada)		 5636 Avatar for ko1
176. mahata
(Yasunori MAHATA)		 5635 Avatar for mahata
177. juno
(Junya Ogura)		 5611 Avatar for juno
178. Slowhand0309
(Slowhand)		 5578 Avatar for Slowhand0309
179. uribo
(Shinya Uryu)		 5567 Avatar for uribo
180. katahiromz
(Katayama Hirofumi MZ)		 5567 Avatar for katahiromz
181. 2bbb
(2bit)		 5546 Avatar for 2bbb
182. guo-yu
(Guo Yu)		 5543 Avatar for guo-yu
183. kaelaela
(Yuichi Maekawa)		 5540 Avatar for kaelaela
184. anchan828
(Keigo Ando)		 5489 Avatar for anchan828
185. ochyai
(Yoichi OCHIAI)		 5458 Avatar for ochyai
186. sota1235
(Sota Sugiura)		 5453 Avatar for sota1235
187. RobertTLange
(Robert Tjarko Lange)		 5443 Avatar for RobertTLange
188. malaybaku
(Baku Dreameater)		 5418 Avatar for malaybaku
189. tk0miya
(Takeshi KOMIYA)		 5405 Avatar for tk0miya
190. bmf-san
(Kenta Takeuchi)		 5396 Avatar for bmf-san
191. ryotarai
(Ryota Arai)		 5387 Avatar for ryotarai
192. cxxxr
(cxxxr)		 5371 Avatar for cxxxr
193. matz
(Yukihiro "Matz" Matsumoto)		 5364 Avatar for matz
194. JohnTitor
(Yuki Okushi)		 5352 Avatar for JohnTitor
195. Hiroshiba
(Hiroshiba)		 5339 Avatar for Hiroshiba
196. matsumotory
(Ryosuke Matsumoto / @matsumotory)		 5323 Avatar for matsumotory
197. yasulab
(Yohei Yasukawa)		 5312 Avatar for yasulab
198. eiel
(HIMURA Tomohiko)		 5309 Avatar for eiel
199. hirokidaichi
(hirokidaichi)		 5306 Avatar for hirokidaichi
200. mattn
(mattn)		 5305 Avatar for mattn
201. r-plus
(r-plus)		 5288 Avatar for r-plus
202. deatiger
(deatiger)		 5276 Avatar for deatiger
203. kyubuns
(kyubuns)		 5264 Avatar for kyubuns
204. shu223
(Shuichi Tsutsumi)		 5228 Avatar for shu223
205. tnantoka
(Tatsuya Tobioka)		 5205 Avatar for tnantoka
206. newraina
(newraina)		 5200 Avatar for newraina
207. iebb
(ieb)		 5199 Avatar for iebb
208. mpyw
(mpyw)		 5153 Avatar for mpyw
209. hotchpotch
(Yuichi Tateno (secon))		 5112 Avatar for hotchpotch
210. seratch
(Kazuhiro Sera)		 5091 Avatar for seratch
211. TimOliver
(Tim Oliver)		 5075 Avatar for TimOliver
212. xeodou
(xeodou)		 5059 Avatar for xeodou
213. hi-ogawa
(Hiroshi Ogawa)		 5058 Avatar for hi-ogawa
214. amake
(Aaron Madlon-Kay)		 5038 Avatar for amake
215. Him188
(Him188)		 5022 Avatar for Him188
216. onevcat
(Wei Wang)		 4962 Avatar for onevcat
217. akiomik
(Akiomi KAMAKURA)		 4925 Avatar for akiomik
218. dennybritz
(Denny Britz)		 4922 Avatar for dennybritz
219. yuichkun
(Yuichi Yogo)		 4890 Avatar for yuichkun
220. europanite
(europanite)		 4859 Avatar for europanite
221. mori-atsushi
(Mori Atsushi)		 4833 Avatar for mori-atsushi
222. masutaka
(Takashi Masuda)		 4832 Avatar for masutaka
223. mumoshu
(Yusuke Kuoka)		 4826 Avatar for mumoshu
224. halsk
(Hal Seki)		 4813 Avatar for halsk
225. daitomanabe
(Daito Manabe)		 4805 Avatar for daitomanabe
226. mesqueeb
(Luca Ban)		 4799 Avatar for mesqueeb
227. halogenandtoast
(Matthew Mongeau)		 4761 Avatar for halogenandtoast
228. genki
(Genki Takiuchi)		 4747 Avatar for genki
229. kmizu
(Kota Mizushima)		 4733 Avatar for kmizu
230. AdingApkgg
(Asuna)		 4716 Avatar for AdingApkgg
231. trust-delta
(trust-delta)		 4637 Avatar for trust-delta
232. AkihiroSuda
(Akihiro Suda)		 4623 Avatar for AkihiroSuda
233. otnc
(otoneko.)		 4591 Avatar for otnc
234. sorah
(Sorah Fukumori)		 4589 Avatar for sorah
235. GalvinGao
(GalvinGao)		 4561 Avatar for GalvinGao
236. fetus-hina
(AIZAWA Hina)		 4525 Avatar for fetus-hina
237. soskek
(Sosuke Kobayashi)		 4504 Avatar for soskek
238. lacolaco
(Suguru Inatomi)		 4501 Avatar for lacolaco
239. ykzts
(Yamagishi Kazutoshi)		 4489 Avatar for ykzts
240. gfx
(FUJI Goro)		 4480 Avatar for gfx
241. inokawa
()		 4480 Avatar for inokawa
242. masuidrive
(Yuichiro MASUI)		 4448 Avatar for masuidrive
243. nwiizo
(nwiizo)		 4443 Avatar for nwiizo
244. upamune
(Yu SERIZAWA)		 4431 Avatar for upamune
245. ssssota
(TOMIKAWA Sotaro)		 4431 Avatar for ssssota
246. kazupon
(kazuya kawaguchi)		 4430 Avatar for kazupon
247. yukukotani
(Yuku Kotani)		 4426 Avatar for yukukotani
248. toshimaru
(Toshimaru)		 4423 Avatar for toshimaru
249. hymkor
(HAYAMA Kaoru)		 4409 Avatar for hymkor
250. Yesterday17
(Yesterday17)		 4404 Avatar for Yesterday17
251. baryon
(LI Long)		 4389 Avatar for baryon
252. dahatake
(Daiyu Hatakeyama)		 4383 Avatar for dahatake
253. IloveNooodles
(Muhammad Garebaldhie Er Rahman)		 4377 Avatar for IloveNooodles
254. kou
(Sutou Kouhei)		 4369 Avatar for kou
255. Jannchie
(Jianqi Pan)		 4361 Avatar for Jannchie
256. anatawa12
(anatawa12)		 4358 Avatar for anatawa12

Organizations

Rank Organization Members
1. emacs-jp 5
2. reviewdog 5
3. ruby 4
4. potatotips 4
5. asakusarb 4
6. scalajp 4
7. pfnet 4
8. epicgames 4
9. mercari 3
10. sinsai 3