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 2026-09-01 22:30:17 +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 140714 total users in the region and you need at least 126 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. Takazudo
(Takeshi Takatsudo)		 73469 Avatar for Takazudo
2. cybergarage
(Satoshi Konno)		 58832 Avatar for cybergarage
3. terasakisatoshi
(Satoshi Terasaki)		 49039 Avatar for terasakisatoshi
4. kishikawakatsumi
(Kishikawa Katsumi)		 42319 Avatar for kishikawakatsumi
5. bannzai
(bannzai)		 39166 Avatar for bannzai
6. atyenoria
(Akinori Nakajima)		 37099 Avatar for atyenoria
7. MagicalTux
(Mark Karpelès)		 36588 Avatar for MagicalTux
8. refirst11
()		 34857 Avatar for refirst11
9. houko
(Evan)		 33780 Avatar for houko
10. k-takeuchi220
(Katsushi Takeuchi)		 29658 Avatar for k-takeuchi220
11. amachang
(Hitoshi Amano)		 28168 Avatar for amachang
12. rsasaki0109
(Ryohei Sasaki)		 27914 Avatar for rsasaki0109
13. mizchi
(Kotaro Chikuba)		 26744 Avatar for mizchi
14. tokuhirom
(Tokuhiro Matsuno)		 26061 Avatar for tokuhirom
15. unhappychoice
(Yuji Ueki)		 23187 Avatar for unhappychoice
16. j5ik2o
(Junichi Kato)		 22856 Avatar for j5ik2o
17. lhl
(Leonard)		 20891 Avatar for lhl
18. kurone-kito
(Kuroné Kito (黒音キト))		 20423 Avatar for kurone-kito
19. yuiseki
(yuiseki)		 20337 Avatar for yuiseki
20. normful
(Norman Sue)		 20256 Avatar for normful
21. fumiya-kume
(kuu(Fumiya Kume))		 20214 Avatar for fumiya-kume
22. nao1215
(CHIKAMATSU Naohiro)		 19881 Avatar for nao1215
23. shikajiro
(shikajiro)		 19143 Avatar for shikajiro
24. dev-yakuza
(DeKu)		 18675 Avatar for dev-yakuza
25. ubugeeei
(ubugeeei)		 18636 Avatar for ubugeeei
26. mizzy
(Gosuke Miyashita)		 18577 Avatar for mizzy
27. SlashNephy
()		 18549 Avatar for SlashNephy
28. baseballyama
(Yuichiro Yamashita)		 18428 Avatar for baseballyama
29. Songmu
(Masayuki Matsuki)		 18348 Avatar for Songmu
30. ncaq
()		 17931 Avatar for ncaq
31. bokuweb
(bokuweb)		 17334 Avatar for bokuweb
32. harupy
(Harutaka Kawamura)		 17330 Avatar for harupy
33. YumNumm
(Ryotaro Onoue)		 16988 Avatar for YumNumm
34. morizyun
(morizyun)		 16315 Avatar for morizyun
35. ThaddeusJiang
(天海 原 / AMAMI Hara)		 15965 Avatar for ThaddeusJiang
36. Coordinate-Cat
(Ocat)		 15637 Avatar for Coordinate-Cat
37. winebarrel
(Genki Sugawara)		 15480 Avatar for winebarrel
38. dtaniwaki
(Daisuke Taniwaki)		 14876 Avatar for dtaniwaki
39. yuzushioh
(yuzushioh)		 14836 Avatar for yuzushioh
40. myuon
(myuon)		 14584 Avatar for myuon
41. manman4
(manman4)		 14555 Avatar for manman4
42. luvtechno
(Yoshinori Kawasaki)		 14308 Avatar for luvtechno
43. sile
(Takeru Ohta)		 14294 Avatar for sile
44. babarot
(Masaki ISHIYAMA)		 14094 Avatar for babarot
45. spinute
(Pin)		 14094 Avatar for spinute
46. shinaoka
(Hiroshi Shinaoka)		 13869 Avatar for shinaoka
47. ukonpower
(ukonpower)		 13868 Avatar for ukonpower
48. bootjp
(Yoshiaki Ueda (bootjp))		 13696 Avatar for bootjp
49. sksat
(sksat)		 13689 Avatar for sksat
50. susieyy
(yohei sugigami)		 13679 Avatar for susieyy
51. siketyan
(Naoki Ikeguchi)		 13664 Avatar for siketyan
52. sobri909
(Matt Greenfield)		 13373 Avatar for sobri909
53. exoego
(TATSUNO “Taz” Yasuhiro)		 13279 Avatar for exoego
54. touyou
(Fujii Yosuke)		 13266 Avatar for touyou
55. shinh
(Shinichiro Hamaji)		 12977 Avatar for shinh
56. mahirhir
(Mahiro Hirakawa)		 12733 Avatar for mahirhir
57. jfbastien
(JF Bastien)		 12630 Avatar for jfbastien
58. saltyshiomix
(Shiono Yoshihide)		 12303 Avatar for saltyshiomix
59. atusy
()		 12299 Avatar for atusy
60. shogo82148
(ICHINOSE Shogo)		 12288 Avatar for shogo82148
61. coliff
(Christian Oliff)		 12206 Avatar for coliff
62. MH4GF
(Hirotaka Miyagi)		 12168 Avatar for MH4GF
63. riseshia
(Shia)		 12132 Avatar for riseshia
64. lan496
(Kohei Shinohara)		 12051 Avatar for lan496
65. 1amageek
(1amageek)		 11784 Avatar for 1amageek
66. hsbt
(Hiroshi SHIBATA)		 11765 Avatar for hsbt
67. okunokentaro
(OKUNOKENTARO)		 11675 Avatar for okunokentaro
68. yamadashy
(Kazuki Yamada)		 11569 Avatar for yamadashy
69. technote-space
(Takahashi)		 11524 Avatar for technote-space
70. otiai10
(Hiromu OCHIAI)		 11494 Avatar for otiai10
71. waylandzhang
(WAYLAND ZHANG)		 11470 Avatar for waylandzhang
72. Code-Hex
(Kei Kamikawa)		 11363 Avatar for Code-Hex
73. sotetsuk
(Sotetsu KOYAMADA)		 11303 Avatar for sotetsuk
74. lestrrat
(lestrrat)		 11174 Avatar for lestrrat
75. suzuki-shunsuke
(Shunsuke Suzuki)		 11142 Avatar for suzuki-shunsuke
76. guitarrapc
(Ikiru Yoshizaki)		 11077 Avatar for guitarrapc
77. privatenumber
(Hiroki Osame)		 11015 Avatar for privatenumber
78. kjirou
(Kojiro Ishii)		 10964 Avatar for kjirou
79. korinVR
(Katsuomi Kobayashi (Korin))		 10903 Avatar for korinVR
80. zonuexe
(USAMI Kenta)		 10649 Avatar for zonuexe
81. breezewish
(Wish)		 10482 Avatar for breezewish
82. daitomanabe
(Daito Manabe)		 10481 Avatar for daitomanabe
83. toshi0383
(Toshihiro Suzuki)		 10402 Avatar for toshi0383
84. coji
(Coji Mizoguchi)		 10208 Avatar for coji
85. EdamAme-x
(EdamAmex)		 10156 Avatar for EdamAme-x
86. edom18
(edo)		 10136 Avatar for edom18
87. nulltask
(Seiya KONNO)		 10051 Avatar for nulltask
88. yuya-takeyama
(Yuya Takeyama)		 10028 Avatar for yuya-takeyama
89. morizotter
(Morita Naoki)		 9864 Avatar for morizotter
90. nkjzm
(Nakaji Kohki)		 9855 Avatar for nkjzm
91. builtinnya
(Naoto Yokoyama)		 9811 Avatar for builtinnya
92. seanchas116
(Ryohei Ikegami)		 9794 Avatar for seanchas116
93. syoyo
(Syoyo Fujita)		 9782 Avatar for syoyo
94. sue445
(Go Sueyoshi)		 9613 Avatar for sue445
95. kawasima
(Yoshitaka Kawashima)		 9604 Avatar for kawasima
96. nuitsjp
(Atsushi Nakamura)		 9586 Avatar for nuitsjp
97. laysakura
(Sho Nakatani)		 9565 Avatar for laysakura
98. taiki-e
(Taiki Endo)		 9537 Avatar for taiki-e
99. yaneurao
(yaneurao)		 9515 Avatar for yaneurao
100. cutmail
(Tatsuya Arai)		 9501 Avatar for cutmail
101. xuwei-k
(kenji yoshida)		 9473 Avatar for xuwei-k
102. yanorei32
(Ray Yano | あねてあ)		 9470 Avatar for yanorei32
103. banyan
(Kohei Hasegawa)		 9437 Avatar for banyan
104. UdonDa
(Udon)		 9265 Avatar for UdonDa
105. ryota-murakami
(Ryota Murakami)		 9190 Avatar for ryota-murakami
106. matsumotory
(Ryosuke Matsumoto / @matsumotory)		 9089 Avatar for matsumotory
107. ssig33
(ssig33)		 9046 Avatar for ssig33
108. retoruto-carry
(れとるときゃりー)		 8992 Avatar for retoruto-carry
109. tekezo
(Takayama Fumihiko)		 8935 Avatar for tekezo
110. miyako
(Keisuke Miyako)		 8839 Avatar for miyako
111. koriym
(Akihito Koriyama)		 8741 Avatar for koriym
112. ramu
(ramusara)		 8735 Avatar for ramu
113. wadackel
(tsuyoshi wada)		 8722 Avatar for wadackel
114. hideakitai
(Hideaki Tai)		 8704 Avatar for hideakitai
115. ursm
(Keita Urashima)		 8664 Avatar for ursm
116. ngs
(Atsushi NAGASE)		 8658 Avatar for ngs
117. john-rocky
(Daisuke Majima (MLBoy))		 8636 Avatar for john-rocky
118. nateberkopec
(Nate Berkopec)		 8621 Avatar for nateberkopec
119. hogelog
(hogelog)		 8568 Avatar for hogelog
120. k-nasa
(nasa)		 8540 Avatar for k-nasa
121. akameco
(akameco)		 8537 Avatar for akameco
122. airtoxin
(Ryoji Miyazato)		 8433 Avatar for airtoxin
123. sotarok
(Sotaro Karasawa)		 8432 Avatar for sotarok
124. m-mizutani
(Masayoshi Mizutani)		 8358 Avatar for m-mizutani
125. ianlewis
(Ian Lewis)		 8336 Avatar for ianlewis
126. fukayatsu
(Atsuo Fukaya)		 8303 Avatar for fukayatsu
127. baba-s
(baba_s)		 8267 Avatar for baba-s
128. XiaomingX
(Y11)		 8262 Avatar for XiaomingX
129. yohamta0
(Yota Hamada)		 8238 Avatar for yohamta0
130. LumaKernel
(Luma)		 8238 Avatar for LumaKernel
131. wkentaro
(Kentaro Wada)		 8235 Avatar for wkentaro
132. yug1224
(Yuji Yamaguchi)		 8221 Avatar for yug1224
133. ochyai
(Yoichi OCHIAI)		 8193 Avatar for ochyai
134. zchee
(Koichi Shiraishi)		 8095 Avatar for zchee
135. tkoyama010
(Tetsuo Koyama)		 8052 Avatar for tkoyama010
136. lambdalisue
(Λlisue)		 8031 Avatar for lambdalisue
137. matz
(Yukihiro "Matz" Matsumoto)		 8005 Avatar for matz
138. dragon3
(Ryuzo Yamamoto)		 8004 Avatar for dragon3
139. mika-f
(MOCHIZUKI Kanon)		 7988 Avatar for mika-f
140. Anionix
(ᅟ᠎S⁢ho͏؜Tᅠakaᅟy⁣an︎aᅠg⁡i)		 7951 Avatar for Anionix
141. kotarella1110
(Kotaro Sugawara)		 7919 Avatar for kotarella1110
142. h3poteto
(AkiraFukushima)		 7915 Avatar for h3poteto
143. yshrsmz
(Yasuhiro SHIMIZU)		 7909 Avatar for yshrsmz
144. horita-yuya
(horita-yuya)		 7810 Avatar for horita-yuya
145. takahirom
(Takahiro Menju)		 7772 Avatar for takahirom
146. uribo
(Shinya Uryu)		 7753 Avatar for uribo
147. kenn
(Kenn Ejima)		 7729 Avatar for kenn
148. mackysoft
(Makihiro)		 7666 Avatar for mackysoft
149. champierre
(Junya Ishihara)		 7652 Avatar for champierre
150. soskek
(Sosuke Kobayashi)		 7642 Avatar for soskek
151. xeodou
(xeodou)		 7624 Avatar for xeodou
152. sapphi-red
(翠)		 7533 Avatar for sapphi-red
153. a-r-g-v
(Yuki Mukasa ( a_r_g_v ))		 7476 Avatar for a-r-g-v
154. omochi
(omochimetaru)		 7455 Avatar for omochi
155. mpyw
(mpyw)		 7429 Avatar for mpyw
156. timakin
(Seiji Takahashi)		 7406 Avatar for timakin
157. eggplants
(haruna)		 7375 Avatar for eggplants
158. takuoka
(Takuya Okamoto)		 7369 Avatar for takuoka
159. ko1
(Koichi Sasada)		 7342 Avatar for ko1
160. hakatashi
(Koki Takahashi)		 7341 Avatar for hakatashi
161. kosukesaigusa
(Kosuke Saigusa)		 7337 Avatar for kosukesaigusa
162. boxp
(Keitaro Takeuchi)		 7326 Avatar for boxp
163. ryotarai
(Ryota Arai)		 7325 Avatar for ryotarai
164. naichilab
(naichi)		 7279 Avatar for naichilab
165. k1LoW
(Ken’ichiro Oyama)		 7255 Avatar for k1LoW
166. okotaku
(takuoko)		 7206 Avatar for okotaku
167. kmizu
(Kota Mizushima)		 7196 Avatar for kmizu
168. iebb
(ieb)		 7186 Avatar for iebb
169. kexi
(Kei Nakayama)		 7156 Avatar for kexi
170. mogaming217
(moga)		 7147 Avatar for mogaming217
171. mori-atsushi
(Mori Atsushi)		 7135 Avatar for mori-atsushi
172. RobertTLange
(Robert Tjarko Lange)		 7118 Avatar for RobertTLange
173. yujiosaka
(yujiosaka)		 7115 Avatar for yujiosaka
174. ohbarye
(Masato Ohba)		 7094 Avatar for ohbarye
175. vvakame
(Masahiro Wakame)		 7078 Avatar for vvakame
176. mattn
(mattn)		 7025 Avatar for mattn
177. Banou26
(Banou)		 7020 Avatar for Banou26
178. Kanahiro
(Kanahiro Iguchi)		 6984 Avatar for Kanahiro
179. Yesterday17
(Yesterday17)		 6933 Avatar for Yesterday17
180. Saqoosha
(Saqoosha)		 6856 Avatar for Saqoosha
181. shu223
(Shuichi Tsutsumi)		 6836 Avatar for shu223
182. eiel
(HIMURA Tomohiko)		 6826 Avatar for eiel
183. koki-develop
(Koki Sato)		 6793 Avatar for koki-develop
184. 2bbb
(2bit)		 6780 Avatar for 2bbb
185. ebyhr
(Yuya Ebihara)		 6715 Avatar for ebyhr
186. mattatz
(Masatatsu Nakamura)		 6678 Avatar for mattatz
187. akiomik
(Akiomi KAMAKURA)		 6676 Avatar for akiomik
188. s-aska
(Shinichiro Aska)		 6645 Avatar for s-aska
189. kyubuns
(kyubuns)		 6618 Avatar for kyubuns
190. hhatto
(Hideo Hattori)		 6569 Avatar for hhatto
191. halogenandtoast
(Matthew Mongeau)		 6556 Avatar for halogenandtoast
192. sys1yagi
(Toshihiro Yagi)		 6549 Avatar for sys1yagi
193. snoozer05
(SHIMADA Koji)		 6510 Avatar for snoozer05
194. tk0miya
(Takeshi KOMIYA)		 6463 Avatar for tk0miya
195. miya0001
(Takayuki Miyauchi)		 6453 Avatar for miya0001
196. hajimehoshi
(Hajime Hoshi)		 6431 Avatar for hajimehoshi
197. deatiger
(deatiger)		 6376 Avatar for deatiger
198. kaelaela
(Yuichi Maekawa)		 6374 Avatar for kaelaela
199. magurotuna
(Yusuke Tanaka)		 6367 Avatar for magurotuna
200. rosylilly
(Sho Kusano)		 6359 Avatar for rosylilly
201. TimOliver
(Tim Oliver)		 6348 Avatar for TimOliver
202. TakuSemba
(TakuSemba)		 6255 Avatar for TakuSemba
203. takano32
(TAKANO Mitsuhiro)		 6235 Avatar for takano32
204. rob0pup
(Robin)		 6221 Avatar for rob0pup
205. juno
(Junya Ogura)		 6189 Avatar for juno
206. whywaita
(Tachibana waita)		 6178 Avatar for whywaita
207. trust-delta
(trust-delta)		 6127 Avatar for trust-delta
208. yuki-kimoto
(Yuki Kimoto)		 6123 Avatar for yuki-kimoto
209. seratch
(Kazuhiro Sera)		 6112 Avatar for seratch
210. kojix2
()		 6103 Avatar for kojix2
211. bmf-san
(Kenta Takeuchi)		 6101 Avatar for bmf-san
212. JohnTitor
(Yuki Okushi)		 6010 Avatar for JohnTitor
213. Him188
(Him188)		 6000 Avatar for Him188
214. kakutani
(Kakutani Shintaro)		 5911 Avatar for kakutani
215. katahiromz
(Katayama Hirofumi MZ)		 5899 Avatar for katahiromz
216. halsk
(Hal Seki)		 5887 Avatar for halsk
217. amake
(Aaron Madlon-Kay)		 5870 Avatar for amake
218. fox0430
(Shuu)		 5835 Avatar for fox0430
219. azu
(azu)		 5800 Avatar for azu
220. hotchpotch
(Yuichi Tateno (secon))		 5787 Avatar for hotchpotch
221. otnc
(otoneko.)		 5783 Avatar for otnc
222. Lxcardoza993
(Lx 🎀)		 5752 Avatar for Lxcardoza993
223. dvcrn
(David)		 5735 Avatar for dvcrn
224. gfx
(FUJI Goro)		 5718 Avatar for gfx
225. mahata
(Yasunori MAHATA)		 5716 Avatar for mahata
226. newraina
(newraina)		 5714 Avatar for newraina
227. sonots
(Naotoshi Seo)		 5707 Avatar for sonots
228. seriaati
(seria)		 5704 Avatar for seriaati
229. wajahat-ali-mir-dev
(Wajahat Ali Mir)		 5690 Avatar for wajahat-ali-mir-dev
230. wkh237
(Ben Hsieh)		 5671 Avatar for wkh237
231. PINTO0309
(Katsuya Hyodo)		 5637 Avatar for PINTO0309
232. ogaclejapan
(ogaclejapan)		 5635 Avatar for ogaclejapan
233. taea
(taea)		 5606 Avatar for taea
234. sota1235
(Sota Sugiura)		 5603 Avatar for sota1235
235. jiangzhuo
(Jiangzhuo )		 5586 Avatar for jiangzhuo
236. tnantoka
(Tatsuya Tobioka)		 5584 Avatar for tnantoka
237. onevcat
(Wei Wang)		 5583 Avatar for onevcat
238. guo-yu
(Guo Yu)		 5582 Avatar for guo-yu
239. baryon
(LI Long)		 5573 Avatar for baryon
240. sxzz
(Kevin Deng)		 5567 Avatar for sxzz
241. 3846masa
(Masahiro Miyashiro (3846masa))		 5546 Avatar for 3846masa
242. catnose99
(catnose)		 5533 Avatar for catnose99
243. andreypfau
(Andrey Pfau)		 5473 Avatar for andreypfau
244. GalvinGao
(GalvinGao)		 5421 Avatar for GalvinGao
245. masuidrive
(Yuichiro MASUI)		 5356 Avatar for masuidrive
246. masutaka
(Takashi Masuda)		 5312 Avatar for masutaka
247. ykzts
(Yamagishi Kazutoshi)		 5309 Avatar for ykzts
248. cxxxr
(cxxxr)		 5288 Avatar for cxxxr
249. hi-ogawa
(Hiroshi Ogawa)		 5282 Avatar for hi-ogawa
250. Jannchie
(Jianqi Pan)		 5269 Avatar for Jannchie
251. sivchari
(Takuma Shibuya)		 5261 Avatar for sivchari
252. Hiroshiba
(Hiroshiba)		 5258 Avatar for Hiroshiba
253. dennybritz
(Denny Britz)		 5253 Avatar for dennybritz
254. r-plus
(r-plus)		 5252 Avatar for r-plus
255. Sixeight
(Tomohiro Nishimura)		 5228 Avatar for Sixeight
256. lacolaco
(Suguru Inatomi)		 5197 Avatar for lacolaco

Organizations

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