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 2025-12-20 03:28:19 +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 public contributions for each user. There are 128498 total users in the region and you need at least 211 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_public/USERNAME.svg)](https://user-badge.committers.top/japan_public/USERNAME)
For organizations, you need to use a slightly different markup: 
[![committers.top badge](https://org-badge.committers.top/japan_public/ORGNAME.svg)](https://org-badge.committers.top/japan_public/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)		 35068 Avatar for bannzai
2. yuiseki
(yuiseki)		 10290 Avatar for yuiseki
3. suzuki-shunsuke
(Shunsuke Suzuki)		 9356 Avatar for suzuki-shunsuke
4. manman4
(manman4)		 8256 Avatar for manman4
5. guitarrapc
(Ikiru Yoshizaki)		 7711 Avatar for guitarrapc
6. yanorei32
(Ray Yano | あねてあ)		 6633 Avatar for yanorei32
7. shinh
(Shinichiro Hamaji)		 6629 Avatar for shinh
8. sile
(Takeru Ohta)		 6382 Avatar for sile
9. azu
(azu)		 6367 Avatar for azu
10. sue445
(Go Sueyoshi)		 6287 Avatar for sue445
11. taiki-e
(Taiki Endo)		 6203 Avatar for taiki-e
12. xuwei-k
(kenji yoshida)		 5931 Avatar for xuwei-k
13. j5ik2o
(Junichi Kato)		 5893 Avatar for j5ik2o
14. sapphi-red
(翠)		 5767 Avatar for sapphi-red
15. kou
(Sutou Kouhei)		 5620 Avatar for kou
16. ianlewis
(Ian Lewis)		 5489 Avatar for ianlewis
17. unhappychoice
(Yuji Ueki)		 5473 Avatar for unhappychoice
18. harupy
(Harutaka Kawamura)		 5337 Avatar for harupy
19. AkihiroSuda
(Akihiro Suda)		 5218 Avatar for AkihiroSuda
20. bobbens
(Edgar Simo-Serra)		 5071 Avatar for bobbens
21. miyako
(Keisuke Miyako)		 4998 Avatar for miyako
22. ashryanbeats
(Ash Ryan Arnwine)		 4874 Avatar for ashryanbeats
23. peppy
(Dean Herbert)		 4806 Avatar for peppy
24. mizchi
(Kotaro Chikuba)		 4748 Avatar for mizchi
25. ryota-murakami
(Ryota Murakami)		 4724 Avatar for ryota-murakami
26. yuki-kimoto
(Yuki Kimoto)		 4622 Avatar for yuki-kimoto
27. shogo82148
(ICHINOSE Shogo)		 4590 Avatar for shogo82148
28. yasulab
(Yohei Yasukawa)		 4530 Avatar for yasulab
29. koriym
(Akihito Koriyama)		 4528 Avatar for koriym
30. hakatashi
(Koki Takahashi)		 4513 Avatar for hakatashi
31. hsbt
(Hiroshi SHIBATA)		 4480 Avatar for hsbt
32. k1LoW
(Ken’ichiro Oyama)		 4439 Avatar for k1LoW
33. yuwata
(Yu Watanabe)		 4227 Avatar for yuwata
34. hi-ogawa
(Hiroshi Ogawa)		 4098 Avatar for hi-ogawa
35. tekezo
(Takayama Fumihiko)		 3937 Avatar for tekezo
36. whitphx
(Yuichiro Tachibana (Tsuchiya))		 3901 Avatar for whitphx
37. haya14busa
(haya14busa)		 3807 Avatar for haya14busa
38. toastkidjp
(Toast kid)		 3689 Avatar for toastkidjp
39. tkoyama010
(Tetsuo Koyama)		 3608 Avatar for tkoyama010
40. tokuhirom
(Tokuhiro Matsuno)		 3410 Avatar for tokuhirom
41. sorairolake
(Shun Sakai)		 3267 Avatar for sorairolake
42. kentaro
(Kentaro Kuribayashi)		 3165 Avatar for kentaro
43. mcgoon
(van)		 3131 Avatar for mcgoon
44. Hiroshiba
(Hiroshiba)		 3050 Avatar for Hiroshiba
45. anatawa12
(anatawa12)		 2967 Avatar for anatawa12
46. hajimehoshi
(Hajime Hoshi)		 2901 Avatar for hajimehoshi
47. YumNumm
(Ryotaro Onoue)		 2896 Avatar for YumNumm
48. eltociear
(Ikko Eltociear Ashimine)		 2880 Avatar for eltociear
49. koxudaxi
(Koudai Aono)		 2848 Avatar for koxudaxi
50. making
(Toshiaki Maki)		 2847 Avatar for making
51. yamadashy
(Kazuki Yamada)		 2769 Avatar for yamadashy
52. terasakisatoshi
(Satoshi Terasaki)		 2766 Avatar for terasakisatoshi
53. kishikawakatsumi
(Kishikawa Katsumi)		 2759 Avatar for kishikawakatsumi
54. tatsuhiro-t
(Tatsuhiro Tsujikawa)		 2757 Avatar for tatsuhiro-t
55. ursm
(Keita Urashima)		 2649 Avatar for ursm
56. coliff
(Christian Oliff)		 2648 Avatar for coliff
57. yutkat
(Yuta Katayama)		 2644 Avatar for yutkat
58. winebarrel
(Genki Sugawara)		 2610 Avatar for winebarrel
59. takahirom
(Takahiro Menju)		 2556 Avatar for takahirom
60. sevenc-nanashi
(Nanashi.)		 2554 Avatar for sevenc-nanashi
61. fujitatomoya
(Tomoya Fujita)		 2466 Avatar for fujitatomoya
62. hakuturu583
(Masaya Kataoka)		 2366 Avatar for hakuturu583
63. Saul-Mirone
(Mirone)		 2363 Avatar for Saul-Mirone
64. kazupon
(kazuya kawaguchi)		 2320 Avatar for kazupon
65. fujiwara
(FUJIWARA Shunichiro)		 2313 Avatar for fujiwara
66. aviatesk
(Shuhei Kadowaki)		 2302 Avatar for aviatesk
67. nobu
(Nobuyoshi Nakada)		 2277 Avatar for nobu
68. norbusan
(Norbert Preining)		 2260 Avatar for norbusan
69. koic
(Koichi ITO)		 2227 Avatar for koic
70. tmori
(Takashi Mori)		 2226 Avatar for tmori
71. halogenandtoast
(Matthew Mongeau)		 2223 Avatar for halogenandtoast
72. yshrsmz
(Yasuhiro SHIMIZU)		 2180 Avatar for yshrsmz
73. gkjohnson
(Garrett Johnson)		 2154 Avatar for gkjohnson
74. lambdalisue
(Λlisue)		 2135 Avatar for lambdalisue
75. fumiya-kume
(kuu(Fumiya Kume))		 2120 Avatar for fumiya-kume
76. miurahr
(Hiroshi Miura)		 2095 Avatar for miurahr
77. PINTO0309
(Katsuya Hyodo)		 2088 Avatar for PINTO0309
78. smoogipoo
(Dan Balasescu)		 2081 Avatar for smoogipoo
79. yusukebe
(Yusuke Wada)		 2065 Avatar for yusukebe
80. syuilo
(syuilo)		 2028 Avatar for syuilo
81. keijiro
(Keijiro Takahashi)		 2026 Avatar for keijiro
82. Him188
(Him188)		 2024 Avatar for Him188
83. atztogo
(Atsushi Togo)		 2022 Avatar for atztogo
84. dai-shi
(Daishi Kato)		 1989 Avatar for dai-shi
85. dalance
(Naoya Hatta)		 1979 Avatar for dalance
86. siketyan
(Naoki Ikeguchi)		 1978 Avatar for siketyan
87. amatsuda
(Akira Matsuda)		 1945 Avatar for amatsuda
88. asukaminato0721
(Asuka Minato)		 1910 Avatar for asukaminato0721
89. int128
(Hidetake Iwata)		 1874 Avatar for int128
90. kt3k
(Yoshiya Hinosawa)		 1853 Avatar for kt3k
91. mashharuki
(Haruki Kondo)		 1852 Avatar for mashharuki
92. komagata
(Masaki Komagata)		 1821 Avatar for komagata
93. ota-meshi
(Yosuke Ota)		 1815 Avatar for ota-meshi
94. Jannchie
(Jianqi Pan)		 1802 Avatar for Jannchie
95. taisukef
(Taisuke Fukuno)		 1797 Avatar for taisukef
96. cpojer
(Christoph Nakazawa)		 1748 Avatar for cpojer
97. mopemope
(Yutaka Matsubara)		 1696 Avatar for mopemope
98. mayocream
(Mayo Takanashi)		 1691 Avatar for mayocream
99. hoochanlon
(123456)		 1685 Avatar for hoochanlon
100. Shougo
(Shougo)		 1677 Avatar for Shougo
101. zcbenz
(Cheng)		 1656 Avatar for zcbenz
102. ykzts
(Yamagishi Kazutoshi)		 1645 Avatar for ykzts
103. smorimoto
(Sora Morimoto)		 1615 Avatar for smorimoto
104. nobuyuki83
(Nobuyuki Umetani)		 1614 Avatar for nobuyuki83
105. champierre
(Junya Ishihara)		 1610 Avatar for champierre
106. 1024jp
(1024jp)		 1610 Avatar for 1024jp
107. noborus
(Noboru Saito)		 1573 Avatar for noborus
108. MagicalTux
(Mark Karpelès)		 1555 Avatar for MagicalTux
109. kateinoigakukun
(Yuta Saito)		 1547 Avatar for kateinoigakukun
110. youtalk
(Yutaka Kondo)		 1527 Avatar for youtalk
111. mattn
(mattn)		 1524 Avatar for mattn
112. seratch
(Kazuhiro Sera)		 1517 Avatar for seratch
113. atsushieno
(Atsushi Eno)		 1503 Avatar for atsushieno
114. jsakamoto
()		 1467 Avatar for jsakamoto
115. usualoma
(Taku Amano)		 1451 Avatar for usualoma
116. ubugeeei
(ubugeeei)		 1451 Avatar for ubugeeei
117. inokawa
()		 1450 Avatar for inokawa
118. domenic
(Domenic Denicola)		 1449 Avatar for domenic
119. matz
(Yukihiro "Matz" Matsumoto)		 1448 Avatar for matz
120. rigaya
(rigaya)		 1439 Avatar for rigaya
121. Watson1978
(Shizuo Fujita)		 1435 Avatar for Watson1978
122. zchee
(Koichi Shiraishi)		 1431 Avatar for zchee
123. momeemt
(Mutsuha Asada)		 1421 Avatar for momeemt
124. yutannihilation
(Hiroaki Yutani)		 1407 Avatar for yutannihilation
125. soutaro
(Soutaro Matsumoto)		 1406 Avatar for soutaro
126. rhysd
(Linda_pp)		 1402 Avatar for rhysd
127. fa0311
(ふぁ)		 1392 Avatar for fa0311
128. Koras02
(kobiad_ros)		 1369 Avatar for Koras02
129. kazu-yamamoto
(Kazu Yamamoto)		 1362 Avatar for kazu-yamamoto
130. sideshowbarker
()		 1351 Avatar for sideshowbarker
131. Songmu
(Masayuki Matsuki)		 1327 Avatar for Songmu
132. JohnTitor
(Yuki Okushi)		 1306 Avatar for JohnTitor
133. shimbaco
(Shimba, Koji)		 1302 Avatar for shimbaco
134. rmackay9
(Randy Mackay)		 1298 Avatar for rmackay9
135. privatenumber
(Hiroki Osame)		 1294 Avatar for privatenumber
136. kitao
(Takashi Kitao)		 1279 Avatar for kitao
137. luadebug
(Saikari)		 1273 Avatar for luadebug
138. uzulla
(uzulla / Junichi Ishida)		 1267 Avatar for uzulla
139. lepture
(Hsiaoming Yang)		 1266 Avatar for lepture
140. sugyan
(Yoshihiro Sugi)		 1254 Avatar for sugyan
141. ktoso
(Konrad `ktoso` Malawski)		 1252 Avatar for ktoso
142. taichi-ishitani
(Taichi Ishitani)		 1243 Avatar for taichi-ishitani
143. syohex
(Shohei YOSHIDA)		 1229 Avatar for syohex
144. 1amageek
(1amageek)		 1225 Avatar for 1amageek
145. kaityo256
(Hiroshi Watanabe)		 1219 Avatar for kaityo256
146. muukii
(Hiroshi Kimura)		 1203 Avatar for muukii
147. davetang
(Dave Tang)		 1196 Avatar for davetang
148. skanehira
(skanehira)		 1189 Avatar for skanehira
149. yowatanabe
(Yoshiyuki Watanabe)		 1178 Avatar for yowatanabe
150. andrewmd5
(Andrew Sampson)		 1178 Avatar for andrewmd5
151. fosskers
(Colin Woodbury)		 1155 Avatar for fosskers
152. koron
(MURAOKA Taro)		 1152 Avatar for koron
153. takahashim
(Masayoshi Takahashi)		 1150 Avatar for takahashim
154. kyamagu
(Kota Yamaguchi)		 1132 Avatar for kyamagu
155. lhl
(Leonard)		 1130 Avatar for lhl
156. deepak1556
(Robo)		 1127 Avatar for deepak1556
157. nuskey8
(Yusuke Nakada)		 1122 Avatar for nuskey8
158. neka-nat
(k-tanaka)		 1122 Avatar for neka-nat
159. sorah
(Sorah Fukumori)		 1109 Avatar for sorah
160. neuecc
(Yoshifumi Kawai)		 1109 Avatar for neuecc
161. nateberkopec
(Nate Berkopec)		 1108 Avatar for nateberkopec
162. msakai
(Masahiro Sakai)		 1088 Avatar for msakai
163. qnighy
(Masaki Hara)		 1073 Avatar for qnighy
164. nwiizo
(nwiizo)		 1061 Avatar for nwiizo
165. c-bata
(c-bata)		 1056 Avatar for c-bata
166. tatsuyafujisaki
(Tatsuya Fujisaki)		 1042 Avatar for tatsuyafujisaki
167. bmf-san
(Kenta Takeuchi)		 1029 Avatar for bmf-san
168. anuraaga
(Anuraag (Rag) Agrawal)		 1022 Avatar for anuraaga
169. shogo4405
(shogo4405)		 1021 Avatar for shogo4405
170. pocke
(Masataka Pocke Kuwabara)		 1010 Avatar for pocke
171. sotayamashita
(Sam Yamashita)		 1010 Avatar for sotayamashita
172. aliceinwire
(Arisu Tachibana)		 1007 Avatar for aliceinwire
173. RikuSato0
(blockify)		 1005 Avatar for RikuSato0
174. hatoo
()		 1002 Avatar for hatoo
175. mosuka
(Minoru OSUKA)		 993 Avatar for mosuka
176. termoshtt
(Toshiki Teramura)		 989 Avatar for termoshtt
177. NicolasDorier
(Nicolas Dorier)		 988 Avatar for NicolasDorier
178. nagadomi
()		 979 Avatar for nagadomi
179. piroor
(YUKI "Piro" Hiroshi)		 972 Avatar for piroor
180. uezo
(uezo)		 971 Avatar for uezo
181. reindex-ot
(Re*Index. (ot_inc))		 966 Avatar for reindex-ot
182. masarakki
(masarakki)		 963 Avatar for masarakki
183. neet
(Ryō Igarashi (五十嵐 涼))		 962 Avatar for neet
184. melpon
(melpon)		 962 Avatar for melpon
185. babarot
(Masaki ISHIYAMA)		 959 Avatar for babarot
186. ninoseki
(Manabu Niseki)		 958 Avatar for ninoseki
187. sigma7863
(Sigma)		 957 Avatar for sigma7863
188. rui314
(Rui Ueyama)		 939 Avatar for rui314
189. akinomyoga
(Koichi Murase)		 935 Avatar for akinomyoga
190. at-wat
(Atsushi Watanabe)		 934 Avatar for at-wat
191. vraestoren
(huok)		 929 Avatar for vraestoren
192. cosmo0920
(Hiroshi Hatake)		 928 Avatar for cosmo0920
193. mayuki
(Mayuki Sawatari)		 926 Avatar for mayuki
194. fygar256
(Taisuke Maekawa)		 926 Avatar for fygar256
195. kurone-kito
(Kuroné Kito (黒音キト))		 919 Avatar for kurone-kito
196. dvcrn
(David)		 917 Avatar for dvcrn
197. conao3
(Naoya Yamashita)		 917 Avatar for conao3
198. kazuho
(Kazuho Oku)		 916 Avatar for kazuho
199. GOROman
(GOROman)		 909 Avatar for GOROman
200. mumoshu
(Yusuke Kuoka)		 903 Avatar for mumoshu
201. matanki-saito
((*`・∀・´*))		 903 Avatar for matanki-saito
202. iAJue
(阿珏)		 897 Avatar for iAJue
203. jmettraux
(John Mettraux)		 895 Avatar for jmettraux
204. martinheidegger
(Martin Heidegger)		 891 Avatar for martinheidegger
205. kmizu
(Kota Mizushima)		 881 Avatar for kmizu
206. sosukesuzuki
(SUZUKI Sosuke)		 877 Avatar for sosukesuzuki
207. wasabeef
(Daichi Furiya)		 876 Avatar for wasabeef
208. s1204IT
(Syuugo)		 856 Avatar for s1204IT
209. zonuexe
(USAMI Kenta)		 854 Avatar for zonuexe
210. philwo
(Philipp Wollermann)		 851 Avatar for philwo
211. rinsuki
(rinsuki)		 836 Avatar for rinsuki
212. fukamachi
(Eitaro Fukamachi)		 826 Avatar for fukamachi
213. machida
(machida)		 815 Avatar for machida
214. baku89
(Baku 麦)		 810 Avatar for baku89
215. shirakaba
(Jamie Birch)		 809 Avatar for shirakaba
216. nicolas-raoul
(Nicolas Raoul)		 809 Avatar for nicolas-raoul
217. Kamesuta
(Kamesuta)		 809 Avatar for Kamesuta
218. audreyfeldroy
(Audrey M. Roy Greenfeld)		 802 Avatar for audreyfeldroy
219. lacolaco
(Suguru Inatomi)		 799 Avatar for lacolaco
220. XiaomingX
(Y11)		 799 Avatar for XiaomingX
221. willnet
(Shinichi Maeshima)		 784 Avatar for willnet
222. szkkng
(Kengo)		 778 Avatar for szkkng
223. onevcat
(Wei Wang)		 776 Avatar for onevcat
224. gfx
(FUJI Goro)		 760 Avatar for gfx
225. hrsh7th
(hrsh7th)		 753 Avatar for hrsh7th
226. sumimakito
(Makito)		 751 Avatar for sumimakito
227. alvarobartt
(Alvaro Bartolome)		 750 Avatar for alvarobartt
228. ryohey
(ryohey)		 746 Avatar for ryohey
229. mapconcierge
(Taichi FURUHASHI)		 745 Avatar for mapconcierge
230. ykob
(Yoichi Kobayashi)		 744 Avatar for ykob
231. mattatz
(Masatatsu Nakamura)		 737 Avatar for mattatz
232. cordx56
(Yuki Okamoto)		 727 Avatar for cordx56
233. AchrafReyani
(Achraf)		 725 Avatar for AchrafReyani
234. wkentaro
(Kentaro Wada)		 712 Avatar for wkentaro
235. hiroppy
(Yuta Hiroto)		 711 Avatar for hiroppy
236. konn
(Hiromi Ishii)		 709 Avatar for konn
237. saki4510t
(saki)		 707 Avatar for saki4510t
238. repeatedly
(Masahiro Nakagawa)		 703 Avatar for repeatedly
239. hadashiA
(hadashiA)		 695 Avatar for hadashiA
240. planetchili
(chili)		 694 Avatar for planetchili
241. miurla
(Yoshiki Miura)		 692 Avatar for miurla
242. Saqoosha
(Saqoosha)		 690 Avatar for Saqoosha
243. tanaikech
(Kanshi TANAIKE)		 687 Avatar for tanaikech
244. lovyan03
(lovyan03)		 676 Avatar for lovyan03
245. udzura
(Kondo Uchio)		 666 Avatar for udzura
246. icoxfog417
(Takahiro Kubo)		 661 Avatar for icoxfog417
247. nakasyou
(Shotaro Nakamura)		 656 Avatar for nakasyou
248. stomita
(Shinichi Tomita)		 655 Avatar for stomita
249. rakshasa
(Jari Sundell)		 647 Avatar for rakshasa
250. cxxxr
(cxxxr)		 637 Avatar for cxxxr
251. archseer
(Blaž Hrastnik)		 636 Avatar for archseer
252. nuta
(Seiya Nuta)		 631 Avatar for nuta
253. Cloudef
(Jari Vetoniemi)		 631 Avatar for Cloudef
254. mizzy
(Gosuke Miyashita)		 628 Avatar for mizzy
255. Reputeless
(Ryo Suzuki)		 627 Avatar for Reputeless
256. giginet
(Kohki Miki)		 627 Avatar for giginet

Organizations

Rank Organization Members
1. ruby 8
2. vim-jp 6
3. oss-gate 5
4. ranguba 4
5. asakusarb 4
6. cpprefjp 4
7. ruby-no-kai 4
8. web-platform-tests 4
9. llvm 4
10. groonga 4