commits.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/cities can be found here. This list was generated at 2025-06-23 01:49:37.239073289 +0000 UTC m=+495.948943011.

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 121645 total users in the region and you need at least 173 followers to be on this list.

Rank User Contribs Picture
1. suzuki-shunsuke
(Shunsuke Suzuki)		 9310 Avatar for suzuki-shunsuke
2. manman4
()		 7072 Avatar for manman4
3. taiki-e
(Taiki Endo)		 6325 Avatar for taiki-e
4. guitarrapc
(Ikiru Yoshizaki)		 6241 Avatar for guitarrapc
5. azu
(azu)		 5847 Avatar for azu
6. peppy
(Dean Herbert)		 5706 Avatar for peppy
7. yuki-kimoto
(Yuki Kimoto)		 5575 Avatar for yuki-kimoto
8. yuiseki
(yuiseki)		 5371 Avatar for yuiseki
9. kou
(Sutou Kouhei)		 5229 Avatar for kou
10. sue445
(Go Sueyoshi)		 5167 Avatar for sue445
11. j5ik2o
(Junichi Kato)		 5120 Avatar for j5ik2o
12. AkihiroSuda
(Akihiro Suda)		 5049 Avatar for AkihiroSuda
13. shogo82148
(ICHINOSE Shogo)		 4876 Avatar for shogo82148
14. bobbens
(Edgar Simo-Serra)		 4572 Avatar for bobbens
15. tkoyama010
(Tetsuo Koyama)		 4559 Avatar for tkoyama010
16. hsbt
(Hiroshi SHIBATA)		 4320 Avatar for hsbt
17. anatawa12
(anatawa12)		 4300 Avatar for anatawa12
18. xuwei-k
(kenji yoshida)		 4182 Avatar for xuwei-k
19. sile
(Takeru Ohta)		 4180 Avatar for sile
20. harupy
(Harutaka Kawamura)		 3984 Avatar for harupy
21. yuwata
(Yu Watanabe)		 3976 Avatar for yuwata
22. yasulab
(Yohei Yasukawa)		 3765 Avatar for yasulab
23. sapphi-red
(翠)		 3747 Avatar for sapphi-red
24. hakatashi
(Koki Takahashi)		 3708 Avatar for hakatashi
25. YumNumm
(Ryotaro Onoue)		 3649 Avatar for YumNumm
26. toastkidjp
(Toast kid)		 3647 Avatar for toastkidjp
27. hi-ogawa
(Hiroshi Ogawa)		 3523 Avatar for hi-ogawa
28. yanorei32
(Ray Yano | あねてあ)		 3515 Avatar for yanorei32
29. takahirom
(Takahiro Menju)		 3511 Avatar for takahirom
30. tk0miya
(Takeshi KOMIYA)		 3392 Avatar for tk0miya
31. koriym
(Akihito Koriyama)		 3372 Avatar for koriym
32. ryota-murakami
(Ryota Murakami)		 3351 Avatar for ryota-murakami
33. koxudaxi
(Koudai Aono)		 3235 Avatar for koxudaxi
34. kishikawakatsumi
(Kishikawa Katsumi)		 3227 Avatar for kishikawakatsumi
35. miyako
(Keisuke Miyako)		 3217 Avatar for miyako
36. ursm
(Keita Urashima)		 3184 Avatar for ursm
37. kt3k
(Yoshiya Hinosawa)		 3168 Avatar for kt3k
38. Saul-Mirone
(Mirone)		 3150 Avatar for Saul-Mirone
39. sorairolake
(Shun Sakai)		 3130 Avatar for sorairolake
40. kentaro
(Kentaro Kuribayashi)		 3118 Avatar for kentaro
41. making
(Toshiaki Maki)		 2988 Avatar for making
42. whitphx
(Yuichiro Tachibana (Tsuchiya))		 2913 Avatar for whitphx
43. k1LoW
(Ken’ichiro Oyama)		 2912 Avatar for k1LoW
44. hajimehoshi
(Hajime Hoshi)		 2903 Avatar for hajimehoshi
45. terasakisatoshi
(Satoshi Terasaki)		 2835 Avatar for terasakisatoshi
46. ianlewis
(Ian Lewis)		 2715 Avatar for ianlewis
47. winebarrel
(Genki Sugawara)		 2648 Avatar for winebarrel
48. tmori
(Takashi Mori)		 2507 Avatar for tmori
49. yutkat
(Yuta Katayama)		 2421 Avatar for yutkat
50. atztogo
(Atsushi Togo)		 2421 Avatar for atztogo
51. hakuturu583
(Masaya Kataoka)		 2391 Avatar for hakuturu583
52. Hiroshiba
(Hiroshiba)		 2348 Avatar for Hiroshiba
53. kateinoigakukun
(Yuta Saito)		 2344 Avatar for kateinoigakukun
54. tatsuhiro-t
(Tatsuhiro Tsujikawa)		 2341 Avatar for tatsuhiro-t
55. halogenandtoast
(Matthew Mongeau)		 2336 Avatar for halogenandtoast
56. bannzai
(bannzai)		 2320 Avatar for bannzai
57. coliff
(Christian Oliff)		 2280 Avatar for coliff
58. smoogipoo
(Dan Balasescu)		 2279 Avatar for smoogipoo
59. sevenc-nanashi
(Nanashi.)		 2231 Avatar for sevenc-nanashi
60. kitao
(Takashi Kitao)		 2210 Avatar for kitao
61. zcbenz
(Cheng)		 2198 Avatar for zcbenz
62. tokuhirom
(Tokuhiro Matsuno)		 2190 Avatar for tokuhirom
63. yamadashy
(Kazuki Yamada)		 2189 Avatar for yamadashy
64. kazupon
(kazuya kawaguchi)		 2182 Avatar for kazupon
65. yusukebe
(Yusuke Wada)		 2145 Avatar for yusukebe
66. koic
(Koichi ITO)		 2133 Avatar for koic
67. Comamoca
(Comamoca)		 2122 Avatar for Comamoca
68. siketyan
(Naoki Ikeguchi)		 2108 Avatar for siketyan
69. dai-shi
(Daishi Kato)		 2079 Avatar for dai-shi
70. int128
(Hidetake Iwata)		 2042 Avatar for int128
71. gkjohnson
(Garrett Johnson)		 2031 Avatar for gkjohnson
72. youtalk
(Yutaka Kondo)		 2000 Avatar for youtalk
73. norbusan
(Norbert Preining)		 1988 Avatar for norbusan
74. dalance
(Naoya Hatta)		 1949 Avatar for dalance
75. Shougo
(Shougo)		 1913 Avatar for Shougo
76. hatoo
()		 1897 Avatar for hatoo
77. fa0311
(ふぁ)		 1887 Avatar for fa0311
78. fumiya-kume
(kuu(Fumiya Kume))		 1873 Avatar for fumiya-kume
79. taisukef
(Taisuke Fukuno)		 1846 Avatar for taisukef
80. yutannihilation
(Hiroaki Yutani)		 1843 Avatar for yutannihilation
81. koji
(koji)		 1833 Avatar for koji
82. soutaro
(Soutaro Matsumoto)		 1787 Avatar for soutaro
83. keijiro
(Keijiro Takahashi)		 1773 Avatar for keijiro
84. EdamAme-x
(EdamAmex)		 1770 Avatar for EdamAme-x
85. unhappychoice
(Yuji Ueki)		 1766 Avatar for unhappychoice
86. nobu
(Nobuyoshi Nakada)		 1718 Avatar for nobu
87. Avimitin
(Jiongjia Lu)		 1708 Avatar for Avimitin
88. lambdalisue
(Λlisue)		 1685 Avatar for lambdalisue
89. kazu-yamamoto
(Kazu Yamamoto)		 1680 Avatar for kazu-yamamoto
90. mashharuki
(Haruki Kondo)		 1654 Avatar for mashharuki
91. ota-meshi
(Yosuke Ota)		 1645 Avatar for ota-meshi
92. ubugeeei
(ubugeeei)		 1643 Avatar for ubugeeei
93. momeemt
(Mutsuha Asada)		 1586 Avatar for momeemt
94. mayocream
(Mayo Takanashi)		 1577 Avatar for mayocream
95. noborus
(Noboru Saito)		 1562 Avatar for noborus
96. fosskers
(Colin Woodbury)		 1561 Avatar for fosskers
97. tatsuyafujisaki
(Tatsuya Fujisaki)		 1550 Avatar for tatsuyafujisaki
98. t4sk
()		 1548 Avatar for t4sk
99. rigaya
(rigaya)		 1535 Avatar for rigaya
100. nuskey8
(Yusuke Nakada)		 1509 Avatar for nuskey8
101. shimbaco
(Shimba, Koji)		 1508 Avatar for shimbaco
102. fujiwara
(FUJIWARA Shunichiro)		 1502 Avatar for fujiwara
103. miurahr
(Hiroshi Miura)		 1477 Avatar for miurahr
104. konn
(Hiromi Ishii)		 1473 Avatar for konn
105. cpojer
(Christoph Nakazawa)		 1457 Avatar for cpojer
106. komagata
(Masaki Komagata)		 1455 Avatar for komagata
107. jsakamoto
()		 1426 Avatar for jsakamoto
108. haya14busa
(haya14busa)		 1425 Avatar for haya14busa
109. nopnop2002
()		 1424 Avatar for nopnop2002
110. Jannchie
(Jianqi Pan)		 1424 Avatar for Jannchie
111. domenic
(Domenic Denicola)		 1400 Avatar for domenic
112. MagicalTux
(Mark Karpelès)		 1395 Avatar for MagicalTux
113. msakai
(Masahiro Sakai)		 1395 Avatar for msakai
114. 1024jp
(1024jp)		 1389 Avatar for 1024jp
115. kbinani
(kbinani)		 1387 Avatar for kbinani
116. piroor
(YUKI "Piro" Hiroshi)		 1368 Avatar for piroor
117. rhysd
(Linda_pp)		 1341 Avatar for rhysd
118. asukaminato0721
(Asuka Minato)		 1340 Avatar for asukaminato0721
119. nakasyou
(Shotaro Nakamura)		 1317 Avatar for nakasyou
120. marttp
(Thanaphoom Babparn)		 1314 Avatar for marttp
121. mattn
(mattn)		 1311 Avatar for mattn
122. toshimaru
(Toshimaru)		 1300 Avatar for toshimaru
123. SunsetMkt
(Sunset Mikoto)		 1293 Avatar for SunsetMkt
124. aviatesk
(Shuhei Kadowaki)		 1292 Avatar for aviatesk
125. atsushieno
(Atsushi Eno)		 1279 Avatar for atsushieno
126. p-x9
()		 1258 Avatar for p-x9
127. pilcrowonpaper
(pilcrow)		 1246 Avatar for pilcrowonpaper
128. sksat
(sksat)		 1236 Avatar for sksat
129. jmettraux
(John Mettraux)		 1225 Avatar for jmettraux
130. syohex
(Shohei YOSHIDA)		 1224 Avatar for syohex
131. NicolasDorier
(Nicolas Dorier)		 1211 Avatar for NicolasDorier
132. sideshowbarker
()		 1206 Avatar for sideshowbarker
133. kurone-kito
(Kuroné Kito (黒音キト))		 1201 Avatar for kurone-kito
134. ktoso
(Konrad `ktoso` Malawski)		 1182 Avatar for ktoso
135. rmackay9
(Randy Mackay)		 1174 Avatar for rmackay9
136. Watson1978
(Shizuo Fujita)		 1156 Avatar for Watson1978
137. ninoseki
(Manabu Niseki)		 1144 Avatar for ninoseki
138. yowatanabe
(Yoshiyuki Watanabe)		 1127 Avatar for yowatanabe
139. tsurugi3333
(Tsurugi)		 1126 Avatar for tsurugi3333
140. champierre
(Junya Ishihara)		 1125 Avatar for champierre
141. reindex-ot
(Re*Index. (ot_inc))		 1119 Avatar for reindex-ot
142. neuecc
(Yoshifumi Kawai)		 1119 Avatar for neuecc
143. katopz
(Todsaporn Banjerdkit)		 1094 Avatar for katopz
144. akiomik
(Akiomi KAMAKURA)		 1091 Avatar for akiomik
145. kanru
(Kan-Ru Chen)		 1087 Avatar for kanru
146. muukii
(Hiroshi Kimura)		 1083 Avatar for muukii
147. Songmu
(Masayuki Matsuki)		 1078 Avatar for Songmu
148. PINTO0309
(Katsuya Hyodo)		 1071 Avatar for PINTO0309
149. miyaichi
(Yoshihiko Miyaichi)		 1065 Avatar for miyaichi
150. bluele
(Jun Kimura)		 1049 Avatar for bluele
151. taichi-ishitani
(Taichi Ishitani)		 1046 Avatar for taichi-ishitani
152. sugyan
(Yoshihiro Sugi)		 1044 Avatar for sugyan
153. masarakki
(masarakki)		 1036 Avatar for masarakki
154. kaityo256
(Hiroshi Watanabe)		 1034 Avatar for kaityo256
155. nobuyuki83
(Nobuyuki Umetani)		 1034 Avatar for nobuyuki83
156. inokawa
()		 1030 Avatar for inokawa
157. XiaomingX
(Y11)		 1026 Avatar for XiaomingX
158. akinomyoga
(Koichi Murase)		 1013 Avatar for akinomyoga
159. koheiw
(Kohei Watanabe)		 1003 Avatar for koheiw
160. takahashim
(Masayoshi Takahashi)		 1000 Avatar for takahashim
161. Cloudef
(Jari Vetoniemi)		 995 Avatar for Cloudef
162. mayuki
(Mayuki Sawatari)		 990 Avatar for mayuki
163. igrep
(YAMAMOTO Yuji)		 976 Avatar for igrep
164. privatenumber
(Hiroki Osame)		 965 Avatar for privatenumber
165. koide3
()		 959 Avatar for koide3
166. GOROman
(GOROman)		 957 Avatar for GOROman
167. qnighy
(Masaki Hara)		 937 Avatar for qnighy
168. davetang
(Dave Tang)		 928 Avatar for davetang
169. drasticactions
(Tim Miller)		 928 Avatar for drasticactions
170. deepak1556
(Robo)		 917 Avatar for deepak1556
171. baku89
(Baku 麦)		 903 Avatar for baku89
172. shakuzen
(Tommy Ludwig)		 902 Avatar for shakuzen
173. uezo
(uezo)		 900 Avatar for uezo
174. amatsuda
(Akira Matsuda)		 900 Avatar for amatsuda
175. termoshtt
(Toshiki Teramura)		 894 Avatar for termoshtt
176. sosukesuzuki
(SUZUKI Sosuke)		 886 Avatar for sosukesuzuki
177. zchee
(Koichi Shiraishi)		 876 Avatar for zchee
178. matanki-saito
((*`・∀・´*))		 876 Avatar for matanki-saito
179. cxxxr
(cxxxr)		 876 Avatar for cxxxr
180. znz
(Kazuhiro NISHIYAMA)		 872 Avatar for znz
181. osteele
(Oliver Steele)		 871 Avatar for osteele
182. seratch
(Kazuhiro Sera)		 864 Avatar for seratch
183. conao3
(Naoya Yamashita)		 861 Avatar for conao3
184. andrewmd5
(Andrew Sampson)		 858 Avatar for andrewmd5
185. hoothin
()		 858 Avatar for hoothin
186. dev-yakuza
(DeKu)		 854 Avatar for dev-yakuza
187. philwo
(Philipp Wollermann)		 853 Avatar for philwo
188. melpon
(melpon)		 842 Avatar for melpon
189. uzulla
(uzulla / Junichi Ishida)		 842 Avatar for uzulla
190. Quramy
(Yosuke Kurami)		 840 Avatar for Quramy
191. matz
(Yukihiro "Matz" Matsumoto)		 839 Avatar for matz
192. s1204IT
(Syuugo)		 833 Avatar for s1204IT
193. mob-sakai
(mob-sakai)		 830 Avatar for mob-sakai
194. liquidz
(Iizuka Masashi)		 829 Avatar for liquidz
195. Jxck
(Jxck)		 829 Avatar for Jxck
196. neet
(Ryō Igarashi (五十嵐 涼))		 828 Avatar for neet
197. babarot
(Masaki ISHIYAMA)		 827 Avatar for babarot
198. lhl
(Leonard)		 826 Avatar for lhl
199. sorah
(Sorah Fukumori)		 824 Avatar for sorah
200. ykzts
(Yamagishi Kazutoshi)		 824 Avatar for ykzts
201. viasnake
(snake)		 823 Avatar for viasnake
202. nuta
(Seiya Nuta)		 806 Avatar for nuta
203. shogo4405
(shogo4405)		 786 Avatar for shogo4405
204. yannklein
(Yann Klein)		 783 Avatar for yannklein
205. mtshiba
(Shunsuke Shibayama)		 780 Avatar for mtshiba
206. e-jigsaw
(jigsaw)		 778 Avatar for e-jigsaw
207. halsk
(Hal Seki)		 775 Avatar for halsk
208. SakiTakamachi
(Saki Takamachi)		 750 Avatar for SakiTakamachi
209. Koras02
(kobiad_ros)		 750 Avatar for Koras02
210. SoraSuegami
(Sora Suegami)		 743 Avatar for SoraSuegami
211. lacolaco
(Suguru Inatomi)		 741 Avatar for lacolaco
212. luadebug
(Saikari)		 733 Avatar for luadebug
213. yhatt
(Yuki Hattori)		 731 Avatar for yhatt
214. c-bata
(c-bata)		 728 Avatar for c-bata
215. rui314
(Rui Ueyama)		 727 Avatar for rui314
216. hadashiA
(hadashiA)		 725 Avatar for hadashiA
217. sanposhiho
(Kensei Nakada)		 724 Avatar for sanposhiho
218. nagadomi
()		 722 Avatar for nagadomi
219. planetchili
(chili)		 722 Avatar for planetchili
220. fumiyasac
(Fumiya Sakai)		 719 Avatar for fumiyasac
221. shimodateakira
(Akira Shimodate)		 717 Avatar for shimodateakira
222. mattatz
(Masatatsu Nakamura)		 716 Avatar for mattatz
223. craftzdog
(Takuya Matsuyama)		 714 Avatar for craftzdog
224. giginet
(Kohki Miki)		 710 Avatar for giginet
225. koute
(Koute)		 709 Avatar for koute
226. BcRikko
(B.C.Rikko)		 700 Avatar for BcRikko
227. martinheidegger
(Martin Heidegger)		 696 Avatar for martinheidegger
228. mame
(Yusuke Endoh)		 694 Avatar for mame
229. mizchi
(Kotaro Chikuba)		 689 Avatar for mizchi
230. saki4510t
(saki)		 682 Avatar for saki4510t
231. ykob
(Yoichi Kobayashi)		 681 Avatar for ykob
232. ryohey
(ryohey)		 680 Avatar for ryohey
233. koron
(MURAOKA Taro)		 679 Avatar for koron
234. itchyny
(itchyny)		 679 Avatar for itchyny
235. at-wat
(Atsushi Watanabe)		 677 Avatar for at-wat
236. miurla
(Yoshiki Miura)		 674 Avatar for miurla
237. kenjis
(kenjis)		 672 Avatar for kenjis
238. hrsh7th
(hrsh7th)		 671 Avatar for hrsh7th
239. dvcrn
(David)		 662 Avatar for dvcrn
240. kazuho
(Kazuho Oku)		 656 Avatar for kazuho
241. anuraaga
(Anuraag (Rag) Agrawal)		 654 Avatar for anuraaga
242. mariotaku
(Mariotaku)		 647 Avatar for mariotaku
243. neka-nat
(Shirokuma (k tanaka))		 645 Avatar for neka-nat
244. sotayamashita
(Sam Yamashita)		 644 Avatar for sotayamashita
245. b123400
(b123400)		 643 Avatar for b123400
246. frandiox
(Fran Dios)		 641 Avatar for frandiox
247. hiroshisekiya644
(Hiroshi Sekiya)		 633 Avatar for hiroshisekiya644
248. faithandbrave
(Akira Takahashi)		 630 Avatar for faithandbrave
249. otiai10
(Hiromu OCHIAI)		 627 Avatar for otiai10
250. wasabeef
(Daichi Furiya)		 625 Avatar for wasabeef
251. cordx56
(Yuki Okamoto)		 623 Avatar for cordx56
252. jamesdbrock
(James Brock)		 619 Avatar for jamesdbrock
253. crcrpar
(Masaki Kozuki)		 609 Avatar for crcrpar
254. shirakaba
(Jamie Birch)		 608 Avatar for shirakaba
255. k-okada
(Kei Okada)		 604 Avatar for k-okada
256. take-cheeze
(Takeshi Watanabe)		 602 Avatar for take-cheeze

Organizations

Rank Organization Members
1. ruby 9
2. vim-jp 7
3. cpprefjp 5
4. ruby-no-kai 4
5. sinsai 4
6. web-platform-tests 4
7. hiki 4
8. perl-users-jp 3
9. isucon 3
10. scalikejdbc 3