stackoverflow: 977
math: 811
ru.stackoverflow: 450
physics: 381
askubuntu: 353
superuser: 275
es.stackoverflow: 252
tex: 251
electronics: 246
stats: 216
unix: 203
pt.stackoverflow: 157
gis: 154
serverfault: 138
blender: 125
mathoverflow.net: 122
english: 120
apple: 118
ell: 116
diy: 94
ethereum: 86
worldbuilding: 80
mathematica: 75
cs: 66
chemistry: 62
wordpress: 62
security: 61
salesforce: 60
scifi: 57
codereview: 56
academia: 55
politics: 54
law: 54
datascience: 54
hermeneutics: 52
dba: 50
meta: 48