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 2026-04-24 22:21:03 +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 131783 total users in the region and you need at least 118 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)		 99841 Avatar for bannzai
2. kishikawakatsumi
(Kishikawa Katsumi)		 40279 Avatar for kishikawakatsumi
3. baba-s
(baba_s)		 27838 Avatar for baba-s
4. Takazudo
(Takeshi Takatsudo)		 23679 Avatar for Takazudo
5. yuiseki
(yuiseki)		 20951 Avatar for yuiseki
6. Songmu
(Masayuki Matsuki)		 17672 Avatar for Songmu
7. shinh
(Shinichiro Hamaji)		 17239 Avatar for shinh
8. shikajiro
(shikajiro)		 16103 Avatar for shikajiro
9. unhappychoice
(Yuji Ueki)		 15768 Avatar for unhappychoice
10. mizchi
(Kotaro Chikuba)		 15528 Avatar for mizchi
11. dev-yakuza
(DeKu)		 14970 Avatar for dev-yakuza
12. manman4
(manman4)		 14966 Avatar for manman4
13. winebarrel
(Genki Sugawara)		 14889 Avatar for winebarrel
14. Coordinate-Cat
(Ocat)		 14780 Avatar for Coordinate-Cat
15. ncaq
()		 14524 Avatar for ncaq
16. morizyun
(morizyun)		 14278 Avatar for morizyun
17. cybergarage
(Satoshi Konno)		 13975 Avatar for cybergarage
18. tokuhirom
(Tokuhiro Matsuno)		 13899 Avatar for tokuhirom
19. j5ik2o
(Junichi Kato)		 13744 Avatar for j5ik2o
20. yuzushioh
(yuzushioh)		 13704 Avatar for yuzushioh
21. terasakisatoshi
(Satoshi Terasaki)		 13361 Avatar for terasakisatoshi
22. babarot
(Masaki ISHIYAMA)		 13318 Avatar for babarot
23. siketyan
(Naoki Ikeguchi)		 13113 Avatar for siketyan
24. normful
(Norman Sue)		 12688 Avatar for normful
25. ukonpower
(ukonpower)		 12498 Avatar for ukonpower
26. suzuki-shunsuke
(Shunsuke Suzuki)		 12277 Avatar for suzuki-shunsuke
27. umihico
(Umihiko Iwasa)		 12022 Avatar for umihico
28. fumiya-kume
(kuu(Fumiya Kume))		 11958 Avatar for fumiya-kume
29. saltyshiomix
(Shiono Yoshihide)		 11591 Avatar for saltyshiomix
30. coliff
(Christian Oliff)		 11450 Avatar for coliff
31. sile
(Takeru Ohta)		 11275 Avatar for sile
32. houko
(Evan)		 11199 Avatar for houko
33. MH4GF
(Hirotaka Miyagi)		 11035 Avatar for MH4GF
34. builtinnya
(Naoto Yokoyama)		 11001 Avatar for builtinnya
35. mizzy
(Gosuke Miyashita)		 10765 Avatar for mizzy
36. ssig33
(ssig33)		 10525 Avatar for ssig33
37. guitarrapc
(Ikiru Yoshizaki)		 10218 Avatar for guitarrapc
38. riseshia
(Shia)		 10137 Avatar for riseshia
39. luvtechno
(Yoshinori Kawasaki)		 9833 Avatar for luvtechno
40. YumNumm
(Ryotaro Onoue)		 9667 Avatar for YumNumm
41. dtaniwaki
(Daisuke Taniwaki)		 9622 Avatar for dtaniwaki
42. sapphi-red
(翠)		 9355 Avatar for sapphi-red
43. sue445
(Go Sueyoshi)		 9056 Avatar for sue445
44. yaneurao
(yaneurao)		 9040 Avatar for yaneurao
45. ashryanbeats
(Ash Ryan Arnwine)		 8783 Avatar for ashryanbeats
46. spinute
(Pin)		 8767 Avatar for spinute
47. h3poteto
(AkiraFukushima)		 8759 Avatar for h3poteto
48. bokuweb
(bokuweb)		 8686 Avatar for bokuweb
49. seanchas116
(Ryohei Ikegami)		 8544 Avatar for seanchas116
50. nkjzm
(Nakaji Kohki)		 8515 Avatar for nkjzm
51. korinVR
(Katsuomi Kobayashi (Korin))		 8397 Avatar for korinVR
52. harupy
(Harutaka Kawamura)		 8332 Avatar for harupy
53. sksat
(sksat)		 8220 Avatar for sksat
54. yanorei32
(Ray Yano | あねてあ)		 8203 Avatar for yanorei32
55. nuitsjp
(Atsushi Nakamura)		 8133 Avatar for nuitsjp
56. ryota-murakami
(Ryota Murakami)		 8077 Avatar for ryota-murakami
57. myuon
(myuon)		 7928 Avatar for myuon
58. koki-develop
(Koki Sato)		 7926 Avatar for koki-develop
59. sotetsuk
(Sotetsu KOYAMADA)		 7924 Avatar for sotetsuk
60. yshrsmz
(Yasuhiro SHIMIZU)		 7867 Avatar for yshrsmz
61. dragon3
(Ryuzo Yamamoto)		 7759 Avatar for dragon3
62. xuwei-k
(kenji yoshida)		 7750 Avatar for xuwei-k
63. lambdalisue
(Λlisue)		 7722 Avatar for lambdalisue
64. omochi
(omochimetaru)		 7684 Avatar for omochi
65. touyou
(Fujii Yosuke)		 7593 Avatar for touyou
66. nao1215
(CHIKAMATSU Naohiro)		 7524 Avatar for nao1215
67. shogo82148
(ICHINOSE Shogo)		 7435 Avatar for shogo82148
68. privatenumber
(Hiroki Osame)		 7431 Avatar for privatenumber
69. iamdulanga
(Dulanga Dasanayake)		 7410 Avatar for iamdulanga
70. tkoyama010
(Tetsuo Koyama)		 7376 Avatar for tkoyama010
71. Colk-tech
(ITO Manaki (Colk))		 7362 Avatar for Colk-tech
72. takahirom
(Takahiro Menju)		 7323 Avatar for takahirom
73. MagicalTux
(Mark Karpelès)		 7271 Avatar for MagicalTux
74. k-nasa
(nasa)		 7249 Avatar for k-nasa
75. eggplants
(haruna)		 7204 Avatar for eggplants
76. hsbt
(Hiroshi SHIBATA)		 7192 Avatar for hsbt
77. lhl
(Leonard)		 7189 Avatar for lhl
78. nulltask
(Seiya KONNO)		 7116 Avatar for nulltask
79. SlashNephy
()		 7097 Avatar for SlashNephy
80. horita-yuya
(horita-yuya)		 7096 Avatar for horita-yuya
81. azu
(azu)		 6988 Avatar for azu
82. shinGangan
(gangan)		 6974 Avatar for shinGangan
83. technote-space
(Takahashi)		 6960 Avatar for technote-space
84. dvcrn
(David)		 6947 Avatar for dvcrn
85. ohbarye
(Masato Ohba)		 6907 Avatar for ohbarye
86. taiki-e
(Taiki Endo)		 6860 Avatar for taiki-e
87. retoruto-carry
(れとるときゃりー)		 6843 Avatar for retoruto-carry
88. anchan828
(Keigo Ando)		 6833 Avatar for anchan828
89. fukamachi
(Eitaro Fukamachi)		 6820 Avatar for fukamachi
90. miyako
(Keisuke Miyako)		 6738 Avatar for miyako
91. wadackel
(tsuyoshi wada)		 6699 Avatar for wadackel
92. Kanahiro
(Kanahiro Iguchi)		 6659 Avatar for Kanahiro
93. hhatto
(Hideo Hattori)		 6647 Avatar for hhatto
94. mika-f
(MOCHIZUKI Kanon)		 6559 Avatar for mika-f
95. 3846masa
(Masahiro Miyashiro (3846masa))		 6485 Avatar for 3846masa
96. ianlewis
(Ian Lewis)		 6477 Avatar for ianlewis
97. LumaKernel
(Luma)		 6442 Avatar for LumaKernel
98. tekezo
(Takayama Fumihiko)		 6402 Avatar for tekezo
99. kjirou
(Kojiro Ishii)		 6381 Avatar for kjirou
100. fukayatsu
(Atsuo Fukaya)		 6352 Avatar for fukayatsu
101. yasulab
(Yohei Yasukawa)		 6347 Avatar for yasulab
102. okunokentaro
(OKUNOKENTARO)		 6276 Avatar for okunokentaro
103. yamadashy
(Kazuki Yamada)		 6257 Avatar for yamadashy
104. yug1224
(Yuji Yamaguchi)		 6225 Avatar for yug1224
105. shinaoka
(Hiroshi Shinaoka)		 6202 Avatar for shinaoka
106. a-r-g-v
(Yuki Mukasa ( a_r_g_v ))		 6159 Avatar for a-r-g-v
107. rsasaki0109
(rsasaki0109)		 6119 Avatar for rsasaki0109
108. yuya-takeyama
(Yuya Takeyama)		 6099 Avatar for yuya-takeyama
109. laysakura
(Sho Nakatani)		 6074 Avatar for laysakura
110. k1LoW
(Ken’ichiro Oyama)		 6044 Avatar for k1LoW
111. seriaati
(seria)		 6008 Avatar for seriaati
112. airtoxin
(Ryoji Miyazato)		 6007 Avatar for airtoxin
113. koriym
(Akihito Koriyama)		 5991 Avatar for koriym
114. atusy
()		 5982 Avatar for atusy
115. m-mizutani
(Masayoshi Mizutani)		 5943 Avatar for m-mizutani
116. yuki-kimoto
(Yuki Kimoto)		 5858 Avatar for yuki-kimoto
117. kyubuns
(kyubuns)		 5852 Avatar for kyubuns
118. genki
(Genki Takiuchi)		 5768 Avatar for genki
119. sxzz
(Kevin Deng)		 5767 Avatar for sxzz
120. Him188
(Him188)		 5758 Avatar for Him188
121. 2222-42
(Stephen S.H. a.k.a. 大王)		 5734 Avatar for 2222-42
122. sota1235
(Sota Sugiura)		 5706 Avatar for sota1235
123. Saqoosha
(Saqoosha)		 5682 Avatar for Saqoosha
124. hakatashi
(Koki Takahashi)		 5682 Avatar for hakatashi
125. yottahmd
(Yota Hamada)		 5676 Avatar for yottahmd
126. hakuturu583
(Masaya Kataoka)		 5658 Avatar for hakuturu583
127. wajahat-ali-mir-dev
(Wajahat Ali Mir)		 5653 Avatar for wajahat-ali-mir-dev
128. hajimehoshi
(Hajime Hoshi)		 5634 Avatar for hajimehoshi
129. toshi0383
(Toshihiro Suzuki)		 5631 Avatar for toshi0383
130. kojix2
()		 5608 Avatar for kojix2
131. s2mr
(Kazumasa Shimomura)		 5577 Avatar for s2mr
132. catnose99
(catnose)		 5573 Avatar for catnose99
133. rjyo
(Jo)		 5571 Avatar for rjyo
134. mahata
(Yasunori MAHATA)		 5569 Avatar for mahata
135. pei0804
(pei)		 5561 Avatar for pei0804
136. naichilab
(naichi)		 5532 Avatar for naichilab
137. cutmail
(Tatsuya Arai)		 5447 Avatar for cutmail
138. bootjp
(Yoshiaki Ueda (bootjp))		 5442 Avatar for bootjp
139. EdamAme-x
(EdamAmex)		 5425 Avatar for EdamAme-x
140. ogaclejapan
(ogaclejapan)		 5423 Avatar for ogaclejapan
141. katahiromz
(Katayama Hirofumi MZ)		 5369 Avatar for katahiromz
142. sys1yagi
(Toshihiro Yagi)		 5366 Avatar for sys1yagi
143. ngs
(Atsushi NAGASE)		 5358 Avatar for ngs
144. cxxxr
(cxxxr)		 5285 Avatar for cxxxr
145. seratch
(Kazuhiro Sera)		 5280 Avatar for seratch
146. ssssota
(TOMIKAWA Sotaro)		 5275 Avatar for ssssota
147. Slowhand0309
(Slowhand)		 5198 Avatar for Slowhand0309
148. banyan
(Kohei Hasegawa)		 5188 Avatar for banyan
149. otiai10
(Hiromu OCHIAI)		 5146 Avatar for otiai10
150. hi-ogawa
(Hiroshi Ogawa)		 5112 Avatar for hi-ogawa
151. himkt
(himkt)		 5112 Avatar for himkt
152. kotarella1110
(Kotaro Sugawara)		 5108 Avatar for kotarella1110
153. dennybritz
(Denny Britz)		 5100 Avatar for dennybritz
154. juno
(Junya Ogura)		 5087 Avatar for juno
155. r-plus
(r-plus)		 5065 Avatar for r-plus
156. mattatz
(Masatatsu Nakamura)		 5058 Avatar for mattatz
157. Hiroshiba
(Hiroshiba)		 5006 Avatar for Hiroshiba
158. boxp
(Keitaro Takeuchi)		 4998 Avatar for boxp
159. sobri909
(Matt Greenfield)		 4977 Avatar for sobri909
160. mogaming217
(moga)		 4922 Avatar for mogaming217
161. TakuSemba
(TakuSemba)		 4922 Avatar for TakuSemba
162. peppy
(Dean Herbert)		 4911 Avatar for peppy
163. masutaka
(Takashi Masuda)		 4837 Avatar for masutaka
164. 1amageek
(1amageek)		 4830 Avatar for 1amageek
165. lan496
(Kohei Shinohara)		 4814 Avatar for lan496
166. syumai
(syumai)		 4803 Avatar for syumai
167. AkihiroSuda
(Akihiro Suda)		 4800 Avatar for AkihiroSuda
168. XiaomingX
(Y11)		 4789 Avatar for XiaomingX
169. whywaita
(Tachibana waita)		 4767 Avatar for whywaita
170. kou
(Sutou Kouhei)		 4726 Avatar for kou
171. ryotarai
(Ryota Arai)		 4688 Avatar for ryotarai
172. nateberkopec
(Nate Berkopec)		 4688 Avatar for nateberkopec
173. malaybaku
(Baku Dreameater)		 4674 Avatar for malaybaku
174. amake
(Aaron Madlon-Kay)		 4653 Avatar for amake
175. kaelaela
(Yuichi Maekawa)		 4624 Avatar for kaelaela
176. bobbens
(Edgar Simo-Serra)		 4601 Avatar for bobbens
177. fox0430
(Shuu)		 4593 Avatar for fox0430
178. bmf-san
(Kenta Takeuchi)		 4583 Avatar for bmf-san
179. waylandzhang
(WAYLAND ZHANG)		 4572 Avatar for waylandzhang
180. NishiOwO
(Nishi)		 4562 Avatar for NishiOwO
181. edom18
(edo)		 4561 Avatar for edom18
182. Yesterday17
(Yesterday17)		 4526 Avatar for Yesterday17
183. hideakitai
(Hideaki Tai)		 4491 Avatar for hideakitai
184. hamster1963
(仓鼠)		 4489 Avatar for hamster1963
185. anatawa12
(anatawa12)		 4489 Avatar for anatawa12
186. hymkor
(HAYAMA Kaoru)		 4484 Avatar for hymkor
187. kosukesaigusa
(Kosuke Saigusa)		 4482 Avatar for kosukesaigusa
188. rikusato0
(Riku Sato)		 4450 Avatar for rikusato0
189. AdingApkgg
(Asuna)		 4445 Avatar for AdingApkgg
190. zaru
(zaru)		 4438 Avatar for zaru
191. shima11
(shima)		 4435 Avatar for shima11
192. superbrothers
(Kazuki Suda)		 4372 Avatar for superbrothers
193. MizukiSonoko
(MIZUKI / Igarashi)		 4354 Avatar for MizukiSonoko
194. wkh237
(Ben Hsieh)		 4339 Avatar for wkh237
195. snoozer05
(SHIMADA Koji)		 4336 Avatar for snoozer05
196. guo-yu
(Guo Yu)		 4315 Avatar for guo-yu
197. europanite
(europanite)		 4315 Avatar for europanite
198. akiomik
(Akiomi KAMAKURA)		 4280 Avatar for akiomik
199. okotaku
(takuoko)		 4240 Avatar for okotaku
200. kaiinui
(kaiinui)		 4234 Avatar for kaiinui
201. kexi
(Kei Nakayama)		 4230 Avatar for kexi
202. JohnTitor
(Yuki Okushi)		 4215 Avatar for JohnTitor
203. hirokidaichi
(hirokidaichi)		 4211 Avatar for hirokidaichi
204. yukukotani
(Yuku Kotani)		 4207 Avatar for yukukotani
205. onevcat
(Wei Wang)		 4203 Avatar for onevcat
206. konojunya
(JJ)		 4186 Avatar for konojunya
207. inokawa
()		 4177 Avatar for inokawa
208. UdonDa
(Udon)		 4170 Avatar for UdonDa
209. IloveNooodles
(Muhammad Garebaldhie Er Rahman)		 4170 Avatar for IloveNooodles
210. Naturalclar
(Jesse Katsumata)		 4165 Avatar for Naturalclar
211. newraina
(newraina)		 4140 Avatar for newraina
212. sulami
(Robin Schroer)		 4140 Avatar for sulami
213. ubugeeei
(ubugeeei)		 4130 Avatar for ubugeeei
214. magurotuna
(Yusuke Tanaka)		 4129 Avatar for magurotuna
215. ykzts
(Yamagishi Kazutoshi)		 4090 Avatar for ykzts
216. wasabeef
(Daichi Furiya)		 4082 Avatar for wasabeef
217. dolphin-wood
(Daofeng Wu)		 4047 Avatar for dolphin-wood
218. tk0miya
(Takeshi KOMIYA)		 4032 Avatar for tk0miya
219. yushimatenjin
(Ryuto Haga)		 4027 Avatar for yushimatenjin
220. yuichkun
(Yuichi Yogo)		 4022 Avatar for yuichkun
221. akirak
(Akira Komamura)		 4017 Avatar for akirak
222. peaceiris
(Shohei Ueda)		 3998 Avatar for peaceiris
223. linyows
(Tomohisa Oda)		 3997 Avatar for linyows
224. GalvinGao
(GalvinGao)		 3959 Avatar for GalvinGao
225. shu223
(Shuichi Tsutsumi)		 3951 Avatar for shu223
226. mesqueeb
(Luca Ban)		 3945 Avatar for mesqueeb
227. lacolaco
(Suguru Inatomi)		 3938 Avatar for lacolaco
228. hotchpotch
(Yuichi Tateno (secon))		 3929 Avatar for hotchpotch
229. wkentaro
(Kentaro Wada)		 3928 Avatar for wkentaro
230. breezewish
(Wish)		 3917 Avatar for breezewish
231. fetus-hina
(AIZAWA Hina)		 3911 Avatar for fetus-hina
232. tenzen-y
(Yuki Iwai)		 3895 Avatar for tenzen-y
233. jun06t
(Junpei Tsuji)		 3873 Avatar for jun06t
234. Ladicle
(Aya Igarashi)		 3850 Avatar for Ladicle
235. Yagami360
(Yagami)		 3847 Avatar for Yagami360
236. upamune
(Yu SERIZAWA)		 3834 Avatar for upamune
237. cpojer
(Christoph Nakazawa)		 3826 Avatar for cpojer
238. wxt2005
(Xiaotao Wang)		 3824 Avatar for wxt2005
239. ksoichiro
(Soichiro Kashima)		 3823 Avatar for ksoichiro
240. toshimaru
(Toshimaru)		 3823 Avatar for toshimaru
241. deatiger
(deatiger)		 3815 Avatar for deatiger
242. baryon
(LI Long)		 3814 Avatar for baryon
243. PINTO0309
(Katsuya Hyodo)		 3814 Avatar for PINTO0309
244. ynqa
()		 3791 Avatar for ynqa
245. budougumi0617
(Yoichiro Shimizu)		 3769 Avatar for budougumi0617
246. halogenandtoast
(Matthew Mongeau)		 3768 Avatar for halogenandtoast
247. zchee
(Koichi Shiraishi)		 3728 Avatar for zchee
248. toastkidjp
(Toast kid)		 3716 Avatar for toastkidjp
249. iebb
(ieb)		 3713 Avatar for iebb
250. k0i
(k0i)		 3706 Avatar for k0i
251. takashi
(Takashi Nakagawa)		 3684 Avatar for takashi
252. LISA-KOREA
(Lisa )		 3672 Avatar for LISA-KOREA
253. sevenc-nanashi
(Nanashi.)		 3665 Avatar for sevenc-nanashi
254. timakin
(Seiji Takahashi)		 3660 Avatar for timakin
255. hikettei
(hikettei)		 3629 Avatar for hikettei
256. parroty
(Kenta Nakase)		 3627 Avatar for parroty

Organizations

Rank Organization Members
1. epicgames 6
2. pfnet 5
3. reviewdog 4
4. potatotips 4
5. cats-oss 3
6. scalikejdbc 3
7. mercari 3
8. ruby 3
9. voicevox 3
10. pfnet-research 3