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 2025-11-30 15:00:29 +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 127689 total users in the region and you need at least 210 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)		 54450 Avatar for bannzai
2. baba-s
(baba_s)		 36939 Avatar for baba-s
3. kishikawakatsumi
(Kishikawa Katsumi)		 18178 Avatar for kishikawakatsumi
4. shinh
(Shinichiro Hamaji)		 15477 Avatar for shinh
5. winebarrel
(Genki Sugawara)		 15068 Avatar for winebarrel
6. Songmu
(Masayuki Matsuki)		 14430 Avatar for Songmu
7. suzuki-shunsuke
(Shunsuke Suzuki)		 14362 Avatar for suzuki-shunsuke
8. siketyan
(Naoki Ikeguchi)		 14221 Avatar for siketyan
9. manman4
(manman4)		 13923 Avatar for manman4
10. yuiseki
(yuiseki)		 13548 Avatar for yuiseki
11. Coordinate-Cat
(Ocat)		 11514 Avatar for Coordinate-Cat
12. guitarrapc
(Ikiru Yoshizaki)		 9964 Avatar for guitarrapc
13. j5ik2o
(Junichi Kato)		 9955 Avatar for j5ik2o
14. amachang
(Hitoshi Amano)		 9805 Avatar for amachang
15. saltyshiomix
(Shiono Yoshihide)		 9686 Avatar for saltyshiomix
16. sile
(Takeru Ohta)		 9510 Avatar for sile
17. dev-yakuza
(DeKu)		 9271 Avatar for dev-yakuza
18. coliff
(Christian Oliff)		 9145 Avatar for coliff
19. babarot
(Masaki ISHIYAMA)		 8426 Avatar for babarot
20. YumNumm
(Ryotaro Onoue)		 8385 Avatar for YumNumm
21. takahirom
(Takahiro Menju)		 7639 Avatar for takahirom
22. unhappychoice
(Yuji Ueki)		 7322 Avatar for unhappychoice
23. syumai
(syumai)		 7053 Avatar for syumai
24. pmq20
(Minqi Pan)		 6862 Avatar for pmq20
25. sue445
(Go Sueyoshi)		 6781 Avatar for sue445
26. azu
(azu)		 6425 Avatar for azu
27. seanchas116
(Ryohei Ikegami)		 6350 Avatar for seanchas116
28. yshrsmz
(Yasuhiro SHIMIZU)		 6307 Avatar for yshrsmz
29. vvakame
(Masahiro Wakame)		 6279 Avatar for vvakame
30. yanorei32
(Ray Yano | あねてあ)		 6243 Avatar for yanorei32
31. dvcrn
(David)		 6217 Avatar for dvcrn
32. ashryanbeats
(Ash Ryan Arnwine)		 6083 Avatar for ashryanbeats
33. taiki-e
(Taiki Endo)		 6077 Avatar for taiki-e
34. shogo82148
(ICHINOSE Shogo)		 6020 Avatar for shogo82148
35. sanposhiho
(Kensei Nakada)		 5891 Avatar for sanposhiho
36. xuwei-k
(kenji yoshida)		 5861 Avatar for xuwei-k
37. yasulab
(Yohei Yasukawa)		 5847 Avatar for yasulab
38. peppy
(Dean Herbert)		 5753 Avatar for peppy
39. kou
(Sutou Kouhei)		 5602 Avatar for kou
40. bokuweb
(bokuweb)		 5597 Avatar for bokuweb
41. sapphi-red
(翠)		 5482 Avatar for sapphi-red
42. tkoyama010
(Tetsuo Koyama)		 5422 Avatar for tkoyama010
43. hhatto
(Hideo Hattori)		 5399 Avatar for hhatto
44. hsbt
(Hiroshi SHIBATA)		 5377 Avatar for hsbt
45. mika-f
(MOCHIZUKI Kanon)		 5350 Avatar for mika-f
46. Him188
(Him188)		 5345 Avatar for Him188
47. harupy
(Harutaka Kawamura)		 5297 Avatar for harupy
48. hajimehoshi
(Hajime Hoshi)		 5293 Avatar for hajimehoshi
49. ryota-murakami
(Ryota Murakami)		 5282 Avatar for ryota-murakami
50. r-plus
(r-plus)		 5271 Avatar for r-plus
51. mattatz
(Masatatsu Nakamura)		 5263 Avatar for mattatz
52. ianlewis
(Ian Lewis)		 5240 Avatar for ianlewis
53. mizzy
(Gosuke Miyashita)		 5236 Avatar for mizzy
54. ogaclejapan
(ogaclejapan)		 5179 Avatar for ogaclejapan
55. ursm
(Keita Urashima)		 5177 Avatar for ursm
56. AkihiroSuda
(Akihiro Suda)		 5165 Avatar for AkihiroSuda
57. kenn
(Kenn Ejima)		 5135 Avatar for kenn
58. bobbens
(Edgar Simo-Serra)		 5087 Avatar for bobbens
59. kyubuns
(kyubuns)		 5039 Avatar for kyubuns
60. yuki-kimoto
(Yuki Kimoto)		 4927 Avatar for yuki-kimoto
61. Naturalclar
(Jesse Katsumata)		 4902 Avatar for Naturalclar
62. sksat
(sksat)		 4811 Avatar for sksat
63. hakuturu583
(Masaya Kataoka)		 4766 Avatar for hakuturu583
64. fumiya-kume
(kuu(Fumiya Kume))		 4753 Avatar for fumiya-kume
65. anatawa12
(anatawa12)		 4710 Avatar for anatawa12
66. hakatashi
(Koki Takahashi)		 4649 Avatar for hakatashi
67. miyako
(Keisuke Miyako)		 4569 Avatar for miyako
68. lambdalisue
(Λlisue)		 4551 Avatar for lambdalisue
69. k1LoW
(Ken’ichiro Oyama)		 4460 Avatar for k1LoW
70. yamadashy
(Kazuki Yamada)		 4446 Avatar for yamadashy
71. fuyu77
(Kosuke Adachi)		 4377 Avatar for fuyu77
72. wadackel
(tsuyoshi wada)		 4368 Avatar for wadackel
73. koriym
(Akihito Koriyama)		 4360 Avatar for koriym
74. yuwata
(Yu Watanabe)		 4338 Avatar for yuwata
75. TakuSemba
(TakuSemba)		 4315 Avatar for TakuSemba
76. himkt
(himkt)		 4308 Avatar for himkt
77. catnose99
(catnose)		 4289 Avatar for catnose99
78. Hiroshiba
(Hiroshiba)		 4191 Avatar for Hiroshiba
79. XiaomingX
(Y11)		 4141 Avatar for XiaomingX
80. champierre
(Junya Ishihara)		 4130 Avatar for champierre
81. peaceiris
(Shohei Ueda)		 4124 Avatar for peaceiris
82. inokawa
()		 4101 Avatar for inokawa
83. fukayatsu
(Atsuo Fukaya)		 4066 Avatar for fukayatsu
84. nov
(Nov Matake)		 4031 Avatar for nov
85. hi-ogawa
(Hiroshi Ogawa)		 4018 Avatar for hi-ogawa
86. superbrothers
(Kazuki Suda)		 3986 Avatar for superbrothers
87. LISA-KOREA
(Lisa )		 3984 Avatar for LISA-KOREA
88. p1ass
(Naoki Kishi)		 3966 Avatar for p1ass
89. smorimoto
(Sora Morimoto)		 3957 Avatar for smorimoto
90. whitphx
(Yuichiro Tachibana (Tsuchiya))		 3951 Avatar for whitphx
91. tekezo
(Takayama Fumihiko)		 3914 Avatar for tekezo
92. Saqoosha
(Saqoosha)		 3871 Avatar for Saqoosha
93. RikuSato0
(blockify)		 3850 Avatar for RikuSato0
94. 1amageek
(1amageek)		 3814 Avatar for 1amageek
95. haya14busa
(haya14busa)		 3813 Avatar for haya14busa
96. zchee
(Koichi Shiraishi)		 3796 Avatar for zchee
97. Saul-Mirone
(Mirone)		 3776 Avatar for Saul-Mirone
98. terasakisatoshi
(Satoshi Terasaki)		 3763 Avatar for terasakisatoshi
99. dennybritz
(Denny Britz)		 3742 Avatar for dennybritz
100. toastkidjp
(Toast kid)		 3710 Avatar for toastkidjp
101. hrsh7th
(hrsh7th)		 3696 Avatar for hrsh7th
102. magurotuna
(Yusuke Tanaka)		 3676 Avatar for magurotuna
103. eltociear
(Ikko Eltociear Ashimine)		 3667 Avatar for eltociear
104. kentaro
(Kentaro Kuribayashi)		 3665 Avatar for kentaro
105. p-chan
(P-Chan)		 3625 Avatar for p-chan
106. morizotter
(Morita Naoki)		 3621 Avatar for morizotter
107. mizchi
(Kotaro Chikuba)		 3618 Avatar for mizchi
108. shirakaba
(Jamie Birch)		 3583 Avatar for shirakaba
109. IloveNooodles
(Muhammad Garebaldhie Er Rahman)		 3557 Avatar for IloveNooodles
110. ryohey
(ryohey)		 3532 Avatar for ryohey
111. k0i
(k0i)		 3520 Avatar for k0i
112. Code-Hex
(Kei Kamikawa)		 3500 Avatar for Code-Hex
113. glassesfactory
(YAMAGUCHI EIKICHI)		 3448 Avatar for glassesfactory
114. houko
(Evan Hu)		 3440 Avatar for houko
115. uzulla
(uzulla / Junichi Ishida)		 3417 Avatar for uzulla
116. tokuhirom
(Tokuhiro Matsuno)		 3407 Avatar for tokuhirom
117. edom18
(edo)		 3366 Avatar for edom18
118. fa0311
(ふぁ)		 3298 Avatar for fa0311
119. mcgoon
(van)		 3291 Avatar for mcgoon
120. lukas-reineke
(Lukas Reineke)		 3283 Avatar for lukas-reineke
121. hotchpotch
(Yuichi Tateno (secon))		 3282 Avatar for hotchpotch
122. yowatanabe
(Yoshiyuki Watanabe)		 3276 Avatar for yowatanabe
123. shu223
(Shuichi Tsutsumi)		 3264 Avatar for shu223
124. deatiger
(deatiger)		 3206 Avatar for deatiger
125. motemen
(Hironao OTSUBO)		 3203 Avatar for motemen
126. nobu
(Nobuyoshi Nakada)		 3144 Avatar for nobu
127. rjyo
(Rakuraku Jyo)		 3143 Avatar for rjyo
128. ubugeeei
(ubugeeei)		 3138 Avatar for ubugeeei
129. yhatt
(Yuki Hattori)		 3137 Avatar for yhatt
130. kitak
(Keisuke KITA)		 3086 Avatar for kitak
131. seratch
(Kazuhiro Sera)		 3083 Avatar for seratch
132. sorairolake
(Shun Sakai)		 3076 Avatar for sorairolake
133. kboy-silvergym
(Kei Fujikawa)		 3063 Avatar for kboy-silvergym
134. summerwind
(Moto Ishizawa)		 3018 Avatar for summerwind
135. AAkira
(Akira Aratani)		 3003 Avatar for AAkira
136. moznion
(moznion)		 2986 Avatar for moznion
137. yoshiko-pg
(yoshiko)		 2985 Avatar for yoshiko-pg
138. syuilo
(syuilo)		 2969 Avatar for syuilo
139. hiroshisekiya644
(Hiroshi Sekiya)		 2968 Avatar for hiroshisekiya644
140. making
(Toshiaki Maki)		 2950 Avatar for making
141. cxxxr
(cxxxr)		 2947 Avatar for cxxxr
142. privatenumber
(Hiroki Osame)		 2936 Avatar for privatenumber
143. norbusan
(Norbert Preining)		 2919 Avatar for norbusan
144. sotayamashita
(Sam Yamashita)		 2897 Avatar for sotayamashita
145. PINTO0309
(Katsuya Hyodo)		 2895 Avatar for PINTO0309
146. kazupon
(kazuya kawaguchi)		 2874 Avatar for kazupon
147. wasabeef
(Daichi Furiya)		 2873 Avatar for wasabeef
148. sevenc-nanashi
(Nanashi.)		 2858 Avatar for sevenc-nanashi
149. cpojer
(Christoph Nakazawa)		 2844 Avatar for cpojer
150. Jannchie
(Jianqi Pan)		 2824 Avatar for Jannchie
151. tokorom
(tokorom)		 2820 Avatar for tokorom
152. muukii
(Hiroshi Kimura)		 2800 Avatar for muukii
153. sgr-ksmt
(Suguru Kishimoto)		 2780 Avatar for sgr-ksmt
154. moriyoshi
(Moriyoshi Koizumi)		 2769 Avatar for moriyoshi
155. kadamwhite
(K Adam White)		 2748 Avatar for kadamwhite
156. coord-e
(Hiromi Ogawa)		 2736 Avatar for coord-e
157. Haruma-K
(Haruki Yano)		 2689 Avatar for Haruma-K
158. onevcat
(Wei Wang)		 2686 Avatar for onevcat
159. saki4510t
(saki)		 2676 Avatar for saki4510t
160. tatsuhiro-t
(Tatsuhiro Tsujikawa)		 2670 Avatar for tatsuhiro-t
161. wkentaro
(Kentaro Wada)		 2658 Avatar for wkentaro
162. hideakitai
(Hideaki Tai)		 2637 Avatar for hideakitai
163. yyuu
(YAMASHITA, Yuu)		 2631 Avatar for yyuu
164. yutkat
(Yuta Katayama)		 2590 Avatar for yutkat
165. sachaos
(Takumasa Sakao)		 2589 Avatar for sachaos
166. fosskers
(Colin Woodbury)		 2572 Avatar for fosskers
167. msakai
(Masahiro Sakai)		 2560 Avatar for msakai
168. JohnTitor
(Yuki Okushi)		 2554 Avatar for JohnTitor
169. kevinzhow
(Kevin)		 2552 Avatar for kevinzhow
170. k-takeuchi220
(Katsushi Takeuchi)		 2547 Avatar for k-takeuchi220
171. at-wat
(Atsushi Watanabe)		 2531 Avatar for at-wat
172. h6ah4i
(Haruki Hasegawa)		 2488 Avatar for h6ah4i
173. tarunon
(tarunon)		 2470 Avatar for tarunon
174. nateberkopec
(Nate Berkopec)		 2461 Avatar for nateberkopec
175. halogenandtoast
(Matthew Mongeau)		 2456 Avatar for halogenandtoast
176. anchan828
(Keigo Ando)		 2447 Avatar for anchan828
177. koxudaxi
(Koudai Aono)		 2415 Avatar for koxudaxi
178. fujitatomoya
(Tomoya Fujita)		 2414 Avatar for fujitatomoya
179. neka-nat
(k-tanaka)		 2405 Avatar for neka-nat
180. uribo
(Shinya Uryu)		 2384 Avatar for uribo
181. tigercosmos
(Liu, An-Chi)		 2381 Avatar for tigercosmos
182. aviatesk
(Shuhei Kadowaki)		 2355 Avatar for aviatesk
183. T-Kuhn
(Tobias Kuhn)		 2341 Avatar for T-Kuhn
184. mesqueeb
(Luca Ban)		 2316 Avatar for mesqueeb
185. marty-suzuki
(Taiki Suzuki)		 2315 Avatar for marty-suzuki
186. sobri909
(Matt Greenfield)		 2314 Avatar for sobri909
187. tmori
(Takashi Mori)		 2283 Avatar for tmori
188. rinsuki
(rinsuki)		 2282 Avatar for rinsuki
189. sugyan
(Yoshihiro Sugi)		 2273 Avatar for sugyan
190. fujiwara
(FUJIWARA Shunichiro)		 2260 Avatar for fujiwara
191. bmf-san
(Kenta Takeuchi)		 2259 Avatar for bmf-san
192. smoogipoo
(Dan Balasescu)		 2251 Avatar for smoogipoo
193. shuiRong
(shuirong)		 2243 Avatar for shuiRong
194. lhl
(Leonard)		 2243 Avatar for lhl
195. mob-sakai
(mob-sakai)		 2218 Avatar for mob-sakai
196. idiotWu
(Daofeng Wu)		 2216 Avatar for idiotWu
197. koic
(Koichi ITO)		 2215 Avatar for koic
198. thagikura
(Takeshi Hagikura)		 2176 Avatar for thagikura
199. baku89
(Baku 麦)		 2159 Avatar for baku89
200. lacolaco
(Suguru Inatomi)		 2158 Avatar for lacolaco
201. acgotaku
(雪月秋水)		 2156 Avatar for acgotaku
202. lepture
(Hsiaoming Yang)		 2154 Avatar for lepture
203. heestand-xyz
(Anton Heestand)		 2132 Avatar for heestand-xyz
204. dalance
(Naoya Hatta)		 2130 Avatar for dalance
205. mrtolkien
(Tolki)		 2122 Avatar for mrtolkien
206. shyouhei
(卜部昌平)		 2116 Avatar for shyouhei
207. atztogo
(Atsushi Togo)		 2104 Avatar for atztogo
208. ktr0731
(ktr)		 2101 Avatar for ktr0731
209. hirak
(Hiraku NAKANO)		 2091 Avatar for hirak
210. hanachin
(Seiei Miyagi)		 2086 Avatar for hanachin
211. hayatoito
(Hayato Ito)		 2077 Avatar for hayatoito
212. SakiTakamachi
(Saki Takamachi)		 2067 Avatar for SakiTakamachi
213. davetang
(Dave Tang)		 2066 Avatar for davetang
214. sorah
(Sorah Fukumori)		 2065 Avatar for sorah
215. hoothin
()		 2059 Avatar for hoothin
216. simurai
(simurai)		 2056 Avatar for simurai
217. gkjohnson
(Garrett Johnson)		 2054 Avatar for gkjohnson
218. yusukebe
(Yusuke Wada)		 2052 Avatar for yusukebe
219. mzyy94
(Yuki MIZUNO)		 2049 Avatar for mzyy94
220. hitode909
(hitode909)		 2042 Avatar for hitode909
221. keijiro
(Keijiro Takahashi)		 2037 Avatar for keijiro
222. kt3k
(Yoshiya Hinosawa)		 2004 Avatar for kt3k
223. miurahr
(Hiroshi Miura)		 2000 Avatar for miurahr
224. sotarok
(Sotaro Karasawa)		 1998 Avatar for sotarok
225. goccy
(Masaaki Goshima)		 1993 Avatar for goccy
226. Reputeless
(Ryo Suzuki)		 1992 Avatar for Reputeless
227. masarakki
(masarakki)		 1991 Avatar for masarakki
228. c-bata
(c-bata)		 1988 Avatar for c-bata
229. mayuki
(Mayuki Sawatari)		 1976 Avatar for mayuki
230. dai-shi
(Daishi Kato)		 1973 Avatar for dai-shi
231. shioyama
(Chris Salzberg)		 1958 Avatar for shioyama
232. konn
(Hiromi Ishii)		 1945 Avatar for konn
233. ucan-lab
(ucan-lab)		 1935 Avatar for ucan-lab
234. mrdulin
(official_dulin)		 1934 Avatar for mrdulin
235. mitmul
(Shunta Saito)		 1921 Avatar for mitmul
236. udzura
(Kondo Uchio)		 1918 Avatar for udzura
237. mashharuki
(Haruki Kondo)		 1909 Avatar for mashharuki
238. asukaminato0721
(Asuka Minato)		 1908 Avatar for asukaminato0721
239. KOBA789
(KOBA789)		 1886 Avatar for KOBA789
240. kurone-kito
(Kuroné Kito (黒音キト))		 1884 Avatar for kurone-kito
241. ota-meshi
(Yosuke Ota)		 1878 Avatar for ota-meshi
242. hiroppy
(Yuta Hiroto)		 1873 Avatar for hiroppy
243. Kazuhito00
(KazuhitoTakahashi)		 1860 Avatar for Kazuhito00
244. otiai10
(Hiromu OCHIAI)		 1853 Avatar for otiai10
245. int128
(Hidetake Iwata)		 1845 Avatar for int128
246. r7kamura
(Ryo Nakamura)		 1844 Avatar for r7kamura
247. hutajoullach
(Huta Joullach)		 1831 Avatar for hutajoullach
248. szkkng
(Kengo)		 1829 Avatar for szkkng
249. predominant
(Graham Weldon)		 1810 Avatar for predominant
250. kazeburo
(Masahiro Nagano)		 1809 Avatar for kazeburo
251. mpyw
(mpyw)		 1804 Avatar for mpyw
252. youtalk
(Yutaka Kondo)		 1800 Avatar for youtalk
253. taisukef
(Taisuke Fukuno)		 1799 Avatar for taisukef
254. freedomofkeima
(Iskandar Setiadi)		 1795 Avatar for freedomofkeima
255. xerpi
(Sergi・セルジ)		 1795 Avatar for xerpi
256. nuskey8
(Yusuke Nakada)		 1784 Avatar for nuskey8

Organizations

Rank Organization Members
1. pfnet 6
2. potatotips 6
3. epicgames 5
4. oss-gate 5
5. fluent 5
6. ruby 5
7. pfnet-research 4
8. asakusarb 4
9. cats-oss 3
10. crowi 3