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 2026-05-12 09:58:46 +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 133422 total users in the region and you need at least 198 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)		 98798 Avatar for bannzai
2. kishikawakatsumi
(Kishikawa Katsumi)		 41296 Avatar for kishikawakatsumi
3. baba-s
(baba_s)		 25226 Avatar for baba-s
4. yuiseki
(yuiseki)		 20829 Avatar for yuiseki
5. unhappychoice
(Yuji Ueki)		 18051 Avatar for unhappychoice
6. Songmu
(Masayuki Matsuki)		 17830 Avatar for Songmu
7. shinh
(Shinichiro Hamaji)		 17636 Avatar for shinh
8. mizchi
(Kotaro Chikuba)		 17554 Avatar for mizchi
9. dev-yakuza
(DeKu)		 15399 Avatar for dev-yakuza
10. amachang
(Hitoshi Amano)		 15282 Avatar for amachang
11. Coordinate-Cat
(Ocat)		 15104 Avatar for Coordinate-Cat
12. manman4
(manman4)		 14893 Avatar for manman4
13. winebarrel
(Genki Sugawara)		 14831 Avatar for winebarrel
14. houko
(Evan)		 14458 Avatar for houko
15. tokuhirom
(Tokuhiro Matsuno)		 14137 Avatar for tokuhirom
16. terasakisatoshi
(Satoshi Terasaki)		 14127 Avatar for terasakisatoshi
17. fumiya-kume
(kuu(Fumiya Kume))		 13868 Avatar for fumiya-kume
18. j5ik2o
(Junichi Kato)		 13779 Avatar for j5ik2o
19. babarot
(Masaki ISHIYAMA)		 13712 Avatar for babarot
20. siketyan
(Naoki Ikeguchi)		 13073 Avatar for siketyan
21. mizzy
(Gosuke Miyashita)		 12767 Avatar for mizzy
22. suzuki-shunsuke
(Shunsuke Suzuki)		 11732 Avatar for suzuki-shunsuke
23. saltyshiomix
(Shiono Yoshihide)		 11654 Avatar for saltyshiomix
24. coliff
(Christian Oliff)		 11428 Avatar for coliff
25. MagicalTux
(Mark Karpelès)		 11244 Avatar for MagicalTux
26. lhl
(Leonard)		 10976 Avatar for lhl
27. sile
(Takeru Ohta)		 10972 Avatar for sile
28. bokuweb
(bokuweb)		 9907 Avatar for bokuweb
29. YumNumm
(Ryotaro Onoue)		 9900 Avatar for YumNumm
30. guitarrapc
(Ikiru Yoshizaki)		 9844 Avatar for guitarrapc
31. sapphi-red
(翠)		 9766 Avatar for sapphi-red
32. sksat
(sksat)		 9254 Avatar for sksat
33. spinute
(Pin)		 9023 Avatar for spinute
34. sue445
(Go Sueyoshi)		 8991 Avatar for sue445
35. ashryanbeats
(Ash Ryan Arnwine)		 8982 Avatar for ashryanbeats
36. seanchas116
(Ryohei Ikegami)		 8628 Avatar for seanchas116
37. xuwei-k
(kenji yoshida)		 8324 Avatar for xuwei-k
38. lambdalisue
(Λlisue)		 8261 Avatar for lambdalisue
39. harupy
(Harutaka Kawamura)		 8211 Avatar for harupy
40. ryota-murakami
(Ryota Murakami)		 8061 Avatar for ryota-murakami
41. fukamachi
(Eitaro Fukamachi)		 8026 Avatar for fukamachi
42. yanorei32
(Ray Yano | あねてあ)		 7935 Avatar for yanorei32
43. yshrsmz
(Yasuhiro SHIMIZU)		 7905 Avatar for yshrsmz
44. touyou
(Fujii Yosuke)		 7835 Avatar for touyou
45. privatenumber
(Hiroki Osame)		 7830 Avatar for privatenumber
46. vvakame
(Masahiro Wakame)		 7551 Avatar for vvakame
47. hsbt
(Hiroshi SHIBATA)		 7488 Avatar for hsbt
48. shogo82148
(ICHINOSE Shogo)		 7464 Avatar for shogo82148
49. rsasaki0109
(Ryohei Sasaki)		 7355 Avatar for rsasaki0109
50. tekezo
(Takayama Fumihiko)		 7337 Avatar for tekezo
51. nateberkopec
(Nate Berkopec)		 7219 Avatar for nateberkopec
52. taiki-e
(Taiki Endo)		 7216 Avatar for taiki-e
53. anchan828
(Keigo Ando)		 7189 Avatar for anchan828
54. takahirom
(Takahiro Menju)		 7184 Avatar for takahirom
55. wadackel
(tsuyoshi wada)		 7143 Avatar for wadackel
56. tkoyama010
(Tetsuo Koyama)		 7140 Avatar for tkoyama010
57. kenn
(Kenn Ejima)		 7046 Avatar for kenn
58. azu
(azu)		 6916 Avatar for azu
59. yamadashy
(Kazuki Yamada)		 6900 Avatar for yamadashy
60. miyako
(Keisuke Miyako)		 6763 Avatar for miyako
61. k1LoW
(Ken’ichiro Oyama)		 6587 Avatar for k1LoW
62. fukayatsu
(Atsuo Fukaya)		 6569 Avatar for fukayatsu
63. ianlewis
(Ian Lewis)		 6553 Avatar for ianlewis
64. hhatto
(Hideo Hattori)		 6435 Avatar for hhatto
65. dvcrn
(David)		 6426 Avatar for dvcrn
66. koriym
(Akihito Koriyama)		 6390 Avatar for koriym
67. mika-f
(MOCHIZUKI Kanon)		 6388 Avatar for mika-f
68. yug1224
(Yuji Yamaguchi)		 6320 Avatar for yug1224
69. yasulab
(Yohei Yasukawa)		 6128 Avatar for yasulab
70. Saqoosha
(Saqoosha)		 6100 Avatar for Saqoosha
71. champierre
(Junya Ishihara)		 6095 Avatar for champierre
72. susieyy
(yohei sugigami)		 6091 Avatar for susieyy
73. rjyo
(Jo)		 6061 Avatar for rjyo
74. hakatashi
(Koki Takahashi)		 5880 Avatar for hakatashi
75. otiai10
(Hiromu OCHIAI)		 5806 Avatar for otiai10
76. EdamAme-x
(EdamAmex)		 5690 Avatar for EdamAme-x
77. seratch
(Kazuhiro Sera)		 5651 Avatar for seratch
78. yuki-kimoto
(Yuki Kimoto)		 5646 Avatar for yuki-kimoto
79. sobri909
(Matt Greenfield)		 5646 Avatar for sobri909
80. hakuturu583
(Masaya Kataoka)		 5629 Avatar for hakuturu583
81. mattatz
(Masatatsu Nakamura)		 5598 Avatar for mattatz
82. catnose99
(catnose)		 5575 Avatar for catnose99
83. ogaclejapan
(ogaclejapan)		 5522 Avatar for ogaclejapan
84. hajimehoshi
(Hajime Hoshi)		 5510 Avatar for hajimehoshi
85. XiaomingX
(Y11)		 5484 Avatar for XiaomingX
86. 1amageek
(1amageek)		 5475 Avatar for 1amageek
87. himkt
(himkt)		 5445 Avatar for himkt
88. ngs
(Atsushi NAGASE)		 5441 Avatar for ngs
89. kyubuns
(kyubuns)		 5390 Avatar for kyubuns
90. edom18
(edo)		 5354 Avatar for edom18
91. Him188
(Him188)		 5350 Avatar for Him188
92. sxzz
(Kevin Deng)		 5312 Avatar for sxzz
93. mogaming217
(moga)		 5305 Avatar for mogaming217
94. cxxxr
(cxxxr)		 5295 Avatar for cxxxr
95. ursm
(Keita Urashima)		 5135 Avatar for ursm
96. r-plus
(r-plus)		 5124 Avatar for r-plus
97. hi-ogawa
(Hiroshi Ogawa)		 5096 Avatar for hi-ogawa
98. juno
(Junya Ogura)		 5068 Avatar for juno
99. dennybritz
(Denny Britz)		 5034 Avatar for dennybritz
100. sotarok
(Sotaro Karasawa)		 5005 Avatar for sotarok
101. Hiroshiba
(Hiroshiba)		 4993 Avatar for Hiroshiba
102. waylandzhang
(WAYLAND ZHANG)		 4866 Avatar for waylandzhang
103. guo-yu
(Guo Yu)		 4854 Avatar for guo-yu
104. ryotarai
(Ryota Arai)		 4811 Avatar for ryotarai
105. peppy
(Dean Herbert)		 4748 Avatar for peppy
106. TakuSemba
(TakuSemba)		 4737 Avatar for TakuSemba
107. cpojer
(Christoph Nakazawa)		 4663 Avatar for cpojer
108. bmf-san
(Kenta Takeuchi)		 4601 Avatar for bmf-san
109. hideakitai
(Hideaki Tai)		 4586 Avatar for hideakitai
110. tk0miya
(Takeshi KOMIYA)		 4580 Avatar for tk0miya
111. shu223
(Shuichi Tsutsumi)		 4556 Avatar for shu223
112. kou
(Sutou Kouhei)		 4553 Avatar for kou
113. kexi
(Kei Nakayama)		 4544 Avatar for kexi
114. AkihiroSuda
(Akihiro Suda)		 4496 Avatar for AkihiroSuda
115. anatawa12
(anatawa12)		 4483 Avatar for anatawa12
116. europanite
(europanite)		 4477 Avatar for europanite
117. syumai
(syumai)		 4468 Avatar for syumai
118. JohnTitor
(Yuki Okushi)		 4466 Avatar for JohnTitor
119. rikusato0
(Riku Sato)		 4438 Avatar for rikusato0
120. breezewish
(Wish)		 4426 Avatar for breezewish
121. Yesterday17
(Yesterday17)		 4419 Avatar for Yesterday17
122. onevcat
(Wei Wang)		 4401 Avatar for onevcat
123. kurone-kito
(Kuroné Kito (黒音キト))		 4391 Avatar for kurone-kito
124. hirokidaichi
(hirokidaichi)		 4385 Avatar for hirokidaichi
125. bobbens
(Edgar Simo-Serra)		 4366 Avatar for bobbens
126. lestrrat
(lestrrat)		 4321 Avatar for lestrrat
127. peaceiris
(Shohei Ueda)		 4261 Avatar for peaceiris
128. hotchpotch
(Yuichi Tateno (secon))		 4260 Avatar for hotchpotch
129. wkentaro
(Kentaro Wada)		 4235 Avatar for wkentaro
130. Code-Hex
(Kei Kamikawa)		 4207 Avatar for Code-Hex
131. iebb
(ieb)		 4206 Avatar for iebb
132. mesqueeb
(Luca Ban)		 4190 Avatar for mesqueeb
133. magurotuna
(Yusuke Tanaka)		 4154 Avatar for magurotuna
134. ubugeeei
(ubugeeei)		 4146 Avatar for ubugeeei
135. wasabeef
(Daichi Furiya)		 4140 Avatar for wasabeef
136. IloveNooodles
(Muhammad Garebaldhie Er Rahman)		 4128 Avatar for IloveNooodles
137. lacolaco
(Suguru Inatomi)		 4127 Avatar for lacolaco
138. k-takeuchi220
(Katsushi Takeuchi)		 4111 Avatar for k-takeuchi220
139. ksoichiro
(Soichiro Kashima)		 4104 Avatar for ksoichiro
140. timakin
(Seiji Takahashi)		 4095 Avatar for timakin
141. GalvinGao
(GalvinGao)		 4087 Avatar for GalvinGao
142. zchee
(Koichi Shiraishi)		 4086 Avatar for zchee
143. deatiger
(deatiger)		 4085 Avatar for deatiger
144. jfbastien
(JF Bastien)		 4071 Avatar for jfbastien
145. ykzts
(Yamagishi Kazutoshi)		 4064 Avatar for ykzts
146. inokawa
()		 4048 Avatar for inokawa
147. dahatake
(Daiyu Hatakeyama)		 4006 Avatar for dahatake
148. halogenandtoast
(Matthew Mongeau)		 3982 Avatar for halogenandtoast
149. rosylilly
(Sho Kusano)		 3979 Avatar for rosylilly
150. akameco
(akameco)		 3964 Avatar for akameco
151. eiel
(HIMURA Tomohiko)		 3948 Avatar for eiel
152. sevenc-nanashi
(Nanashi.)		 3907 Avatar for sevenc-nanashi
153. Naturalclar
(Jesse Katsumata)		 3814 Avatar for Naturalclar
154. masuidrive
(Yuichiro MASUI)		 3805 Avatar for masuidrive
155. PINTO0309
(Katsuya Hyodo)		 3787 Avatar for PINTO0309
156. RobertTLange
(Robert Tjarko Lange)		 3778 Avatar for RobertTLange
157. john-rocky
(Daisuke Majima)		 3770 Avatar for john-rocky
158. k0i
(k0i)		 3770 Avatar for k0i
159. toshimaru
(Toshimaru)		 3765 Avatar for toshimaru
160. nov
(Nov Matake)		 3718 Avatar for nov
161. mattn
(mattn)		 3711 Avatar for mattn
162. miya0001
(Takayuki Miyauchi)		 3703 Avatar for miya0001
163. dolphin-wood
(Daofeng Wu)		 3698 Avatar for dolphin-wood
164. toastkidjp
(Toast kid)		 3688 Avatar for toastkidjp
165. nwiizo
(nwiizo)		 3677 Avatar for nwiizo
166. morizotter
(Morita Naoki)		 3662 Avatar for morizotter
167. sgr-ksmt
(Suguru Kishimoto)		 3640 Avatar for sgr-ksmt
168. tokorom
(tokorom)		 3624 Avatar for tokorom
169. amatsuda
(Akira Matsuda)		 3561 Avatar for amatsuda
170. trust-delta
(trust-delta)		 3546 Avatar for trust-delta
171. baku89
(Baku Hashimoto)		 3525 Avatar for baku89
172. shirakaba
(Jamie Birch)		 3510 Avatar for shirakaba
173. LISA-KOREA
(Lisa )		 3486 Avatar for LISA-KOREA
174. sorah
(Sorah Fukumori)		 3484 Avatar for sorah
175. MITSUHIRO-KURIKI
(K.Mitsuhiro)		 3475 Avatar for MITSUHIRO-KURIKI
176. pmq20
(Minqi Pan)		 3469 Avatar for pmq20
177. nghialv
(nghialv)		 3469 Avatar for nghialv
178. ochyai
(Yoichi OCHIAI)		 3455 Avatar for ochyai
179. kmizu
(Kota Mizushima)		 3428 Avatar for kmizu
180. AAkira
(Akira Aratani)		 3427 Avatar for AAkira
181. gfx
(FUJI Goro)		 3427 Avatar for gfx
182. asukaminato0721
(Asuka Minato)		 3404 Avatar for asukaminato0721
183. fujiwara
(FUJIWARA Shunichiro)		 3398 Avatar for fujiwara
184. Jannchie
(Jianqi Pan)		 3390 Avatar for Jannchie
185. mirakui
(Issei Naruta)		 3387 Avatar for mirakui
186. hiroppy
(Yuta Hiroto)		 3374 Avatar for hiroppy
187. yhatt
(Yuki Hattori)		 3357 Avatar for yhatt
188. kitak
(Keisuke KITA)		 3345 Avatar for kitak
189. aviatesk
(Shuhei Kadowaki)		 3331 Avatar for aviatesk
190. sorairolake
(Shun Sakai)		 3321 Avatar for sorairolake
191. conao3
(Naoya Yamashita)		 3317 Avatar for conao3
192. komagata
(Masaki Komagata)		 3309 Avatar for komagata
193. making
(Toshiaki Maki)		 3255 Avatar for making
194. motemen
(Hironao OTSUBO)		 3253 Avatar for motemen
195. udzura
(Kondo Uchio)		 3252 Avatar for udzura
196. fa0311
(ふぁ)		 3248 Avatar for fa0311
197. nobu
(Nobuyoshi Nakada)		 3245 Avatar for nobu
198. glassesfactory
(YAMAGUCHI EIKICHI)		 3236 Avatar for glassesfactory
199. muukii
(Hiroshi Kimura)		 3235 Avatar for muukii
200. kjj6198
(Kalan)		 3198 Avatar for kjj6198
201. miurahr
(Hiroshi Miura)		 3164 Avatar for miurahr
202. kazupon
(kazuya kawaguchi)		 3159 Avatar for kazupon
203. syuilo
(syuilo)		 3154 Avatar for syuilo
204. hrsh7th
(hrsh7th)		 3138 Avatar for hrsh7th
205. ucan-lab
(ucan-lab)		 3119 Avatar for ucan-lab
206. hoothin
()		 3118 Avatar for hoothin
207. ko1
(Koichi Sasada)		 3102 Avatar for ko1
208. koxudaxi
(Koudai Aono)		 3099 Avatar for koxudaxi
209. summerwind
(Moto Ishizawa)		 3077 Avatar for summerwind
210. ryohey
(ryohey)		 3060 Avatar for ryohey
211. drakeet
(Drakeet)		 3060 Avatar for drakeet
212. p-x9
()		 3059 Avatar for p-x9
213. whitphx
(Yuichiro Tachibana (Tsuchiya))		 3058 Avatar for whitphx
214. kadamwhite
(K Adam White)		 3055 Avatar for kadamwhite
215. tatsuhiro-t
(Tatsuhiro Tsujikawa)		 3053 Avatar for tatsuhiro-t
216. mpyw
(mpyw)		 3044 Avatar for mpyw
217. mashharuki
(Haruki Kondo)		 3040 Avatar for mashharuki
218. minaminao
(minaminao)		 3023 Avatar for minaminao
219. c-bata
(c-bata)		 3017 Avatar for c-bata
220. ThaddeusJiang
(天海 原 / AMAMI Hara)		 3006 Avatar for ThaddeusJiang
221. taea
(taea)		 2994 Avatar for taea
222. dalance
(Naoya Hatta)		 2968 Avatar for dalance
223. gkjohnson
(Garrett Johnson)		 2927 Avatar for gkjohnson
224. sigma7863
(Sigma)		 2916 Avatar for sigma7863
225. lukas-reineke
(Lukas Reineke)		 2911 Avatar for lukas-reineke
226. eltociear
(Ikko Eltociear Ashimine)		 2902 Avatar for eltociear
227. norbusan
(Norbert Preining)		 2894 Avatar for norbusan
228. smorimoto
(Sora Morimoto)		 2891 Avatar for smorimoto
229. Kei18
(Keisuke Okumura)		 2865 Avatar for Kei18
230. fuyu77
(Kosuke Adachi)		 2840 Avatar for fuyu77
231. matz
(Yukihiro "Matz" Matsumoto)		 2825 Avatar for matz
232. sachaos
(Takumasa Sakao)		 2821 Avatar for sachaos
233. davetang
(Dave Tang)		 2818 Avatar for davetang
234. acgotaku
(雪月秋水)		 2811 Avatar for acgotaku
235. Saul-Mirone
(Mirone)		 2805 Avatar for Saul-Mirone
236. heestand-xyz
(Anton Heestand)		 2797 Avatar for heestand-xyz
237. hoochanlon
(123456)		 2797 Avatar for hoochanlon
238. hayatoito
(Hayato Ito)		 2796 Avatar for hayatoito
239. marty-suzuki
(Taiki Suzuki)		 2777 Avatar for marty-suzuki
240. sanposhiho
(Kensei Nakada)		 2775 Avatar for sanposhiho
241. xeodou
(xeodou)		 2765 Avatar for xeodou
242. yutkat
(Yuta Katayama)		 2764 Avatar for yutkat
243. shin1x1
(Masashi Shinbara)		 2760 Avatar for shin1x1
244. mayuki
(Mayuki Sawatari)		 2757 Avatar for mayuki
245. keijiro
(Keijiro Takahashi)		 2756 Avatar for keijiro
246. Layzie
(HIRAKI Satoru)		 2732 Avatar for Layzie
247. kboy-silvergym
(Kei Fujikawa)		 2726 Avatar for kboy-silvergym
248. m3m0r7
(memory)		 2723 Avatar for m3m0r7
249. haya14busa
(haya14busa)		 2717 Avatar for haya14busa
250. Kazuhito00
(KazuhitoTakahashi)		 2701 Avatar for Kazuhito00
251. moznion
(moznion)		 2694 Avatar for moznion
252. haqishen
(haqishen)		 2674 Avatar for haqishen
253. leemengtw
(Meng Lee)		 2661 Avatar for leemengtw
254. T-Kuhn
(Tobias Kuhn)		 2660 Avatar for T-Kuhn
255. Watson1978
(Shizuo Fujita)		 2643 Avatar for Watson1978
256. TranBaVinhSon
(Tran B. V. Son)		 2638 Avatar for TranBaVinhSon

Organizations

Rank Organization Members
1. potatotips 7
2. epicgames 6
3. asakusarb 5
4. ruby 5
5. oss-gate 4
6. reviewdog 4
7. isucon 4
8. vim-jp 4
9. ukigumo 4
10. railsgirls-jp 3