Stack OverflowStack Overflow

professional and enthusiast programmers
User
4.978.175
Votes
73.804.992
Comments
51.901.468
Questions
10.729.725
Answers
17.561.105
Solved Questions
5.987.147
Unsolved Questions
2.867.819

Server FaultServer Fault

system and network administrators
User
241.468
Votes
1.339.449
Comments
858.072
Questions
211.478
Answers
368.566
Solved Questions
109.022
Unsolved Questions
40.399

Super UserSuper User

computer enthusiasts and power users
User
390.695
Votes
2.030.683
Comments
1.274.143
Questions
294.318
Answers
449.135
Solved Questions
129.104
Unsolved Questions
90.185
Meta Stack ExchangeMeta Stack Exchange
meta-discussion of the Stack Exchange family of Q&A websites
User
139.620
Votes
1.949.238
Comments
744.749
Questions
75.971
Answers
116.559
Solved Questions
37.053
Unsolved Questions
9.162

Web ApplicationsWeb Applications

power users of web applications
User
64.164
Votes
172.568
Comments
60.294
Questions
18.760
Answers
27.521
Solved Questions
7.326
Unsolved Questions
2.992
ArqadeArqade
passionate videogamers on all platforms
User
77.123
Votes
864.480
Comments
300.933
Questions
61.999
Answers
104.504
Solved Questions
39.845
Unsolved Questions
5.124
WebmastersWebmasters
pro webmasters
User
42.524
Votes
138.735
Comments
85.262
Questions
22.438
Answers
36.904
Solved Questions
10.281
Unsolved Questions
1.390
Seasoned AdviceSeasoned Advice
professional and amateur chefs
User
26.761
Votes
207.528
Comments
80.764
Questions
13.709
Answers
34.846
Solved Questions
7.719
Unsolved Questions
310

Game DevelopmentGame Development

professional and independent game developers
User
57.097
Votes
295.634
Comments
168.850
Questions
29.707
Answers
49.581
Solved Questions
16.538
Unsolved Questions
3.341
PhotographyPhotography
professional, enthusiast and amateur photographers
User
29.255
Votes
238.342
Comments
100.789
Questions
14.988
Answers
38.188
Solved Questions
8.496
Unsolved Questions
492

Cross ValidatedCross Validated

people interested in statistics, machine learning, data analysis, data mining, and data visualization
User
71.391
Votes
419.235
Comments
312.040
Questions
70.204
Answers
70.584
Solved Questions
22.551
Unsolved Questions
26.951

MathematicsMathematics

people studying math at any level and professionals in related fields
User
0
Votes
0
Comments
0
Questions
0
Answers
0
Solved Questions
0
Unsolved Questions
0

Home ImprovementHome Improvement

contractors and serious DIYers
User
28.278
Votes
150.038
Comments
94.878
Questions
20.476
Answers
36.186
Solved Questions
8.300
Unsolved Questions
2.830
Geographic Information SystemsGeographic Information Systems
cartographers, geographers and GIS professionals
User
45.500
Votes
327.204
Comments
227.784
Questions
60.833
Answers
74.074
Solved Questions
23.321
Unsolved Questions
16.544
TeX - LaTeXTeX - LaTeX
users of TeX, LaTeX, ConTeXt, and related typesetting systems
User
73.642
Votes
1.332.120
Comments
593.922
Questions
102.372
Answers
136.632
Solved Questions
62.879
Unsolved Questions
7.726
Ask UbuntuAsk Ubuntu
Ubuntu users and developers
User
307.120
Votes
1.372.894
Comments
896.357
Questions
209.359
Answers
277.183
Solved Questions
71.605
Unsolved Questions
69.693

Personal Finance & MoneyPersonal Finance & Money

people who want to be financially literate
User
23.043
Votes
169.429
Comments
72.623
Questions
12.622
Answers
25.107
Solved Questions
6.391
Unsolved Questions
642

English Language & UsageEnglish Language & Usage

linguists, etymologists, and serious English language enthusiasts
User
103.720
Votes
960.745
Comments
575.347
Questions
63.883
Answers
162.058
Solved Questions
34.994
Unsolved Questions
2.378

Stack AppsStack Apps

apps, scripts, and development with the Stack Exchange API
User
22.668
Votes
19.901
Comments
10.909
Questions
2.096
Answers
2.182
Solved Questions
804
Unsolved Questions
757
User ExperienceUser Experience
user experience researchers and experts
User
56.593
Votes
318.950
Comments
120.298
Questions
18.419
Answers
51.750
Solved Questions
9.676
Unsolved Questions
518

Unix & LinuxUnix & Linux

users of Linux, FreeBSD and other Un*x-like operating systems
User
124.896
Votes
699.177
Comments
372.996
Questions
80.333
Answers
124.055
Solved Questions
40.063
Unsolved Questions
18.223
WordPress DevelopmentWordPress Development
WordPress developers and administrators
User
59.627
Votes
217.800
Comments
273.710
Questions
63.994
Answers
79.244
Solved Questions
31.169
Unsolved Questions
18.363
Theoretical Computer ScienceTheoretical Computer Science
theoretical computer scientists and researchers in related fields
User
23.325
Votes
173.251
Comments
63.128
Questions
7.563
Answers
11.843
Solved Questions
3.612
Unsolved Questions
1.722
Ask DifferentAsk Different
power users of Apple hardware and software
User
114.083
Votes
408.475
Comments
235.012
Questions
66.196
Answers
98.410
Solved Questions
25.225
Unsolved Questions
21.055

Role-playing GamesRole-playing Games

gamemasters and players of tabletop, paper-and-pencil role-playing games
User
16.203
Votes
409.572
Comments
89.694
Questions
14.706
Answers
38.468
Solved Questions
10.575
Unsolved Questions
59

BicyclesBicycles

people who build and repair bicycles, people who train cycling, or commute on bicycles
User
15.423
Votes
109.907
Comments
57.549
Questions
7.225
Answers
19.502
Solved Questions
4.067
Unsolved Questions
184
ProgrammersProgrammers
professional programmers interested in conceptual questions about software development
User
167.436
Votes
1.597.298
Comments
570.501
Questions
37.619
Answers
126.625
Solved Questions
22.616
Unsolved Questions
1.507

Electrical EngineeringElectrical Engineering

electronics and electrical engineering professionals, students, and enthusiasts
User
61.077
Votes
473.270
Comments
393.367
Questions
54.045
Answers
99.171
Solved Questions
28.694
Unsolved Questions
3.435
Android EnthusiastsAndroid Enthusiasts
enthusiasts and power users of the Android operating system
User
92.356
Votes
205.354
Comments
140.157
Questions
35.742
Answers
42.306
Solved Questions
10.392
Unsolved Questions
14.402
PhysicsPhysics
active researchers, academics and students of physics
User
65.857
Votes
574.274
Comments
414.002
Questions
66.314
Answers
100.484
Solved Questions
29.213
Unsolved Questions
12.101

Information SecurityInformation Security

information security professionals
User
72.304
Votes
430.762
Comments
162.985
Questions
26.253
Answers
53.157
Solved Questions
13.327
Unsolved Questions
1.484
Graphic DesignGraphic Design
Graphic Design professionals, students, and enthusiasts
User
39.358
Votes
123.869
Comments
76.714
Questions
14.875
Answers
27.538
Solved Questions
7.117
Unsolved Questions
1.366

Database AdministratorsDatabase Administrators

database professionals who wish to improve their database skills and learn from others in the community
User
65.662
Votes
258.651
Comments
187.647
Questions
40.473
Answers
53.503
Solved Questions
18.943
Unsolved Questions
8.194

Science Fiction & FantasyScience Fiction & Fantasy

science fiction and fantasy enthusiasts
User
39.837
Votes
751.666
Comments
223.354
Questions
26.788
Answers
54.449
Solved Questions
16.370
Unsolved Questions
1.419
Code ReviewCode Review
peer programmer code reviews
User
77.203
Votes
354.911
Comments
168.126
Questions
29.730
Answers
51.249
Solved Questions
17.679
Unsolved Questions
1.631

SkepticsSkeptics

scientific skepticism
User
19.560
Votes
215.908
Comments
89.051
Questions
6.156
Answers
7.790
Solved Questions
3.024
Unsolved Questions
840

Drupal AnswersDrupal Answers

Drupal developers and administrators
User
33.487
Votes
240.618
Comments
188.895
Questions
56.448
Answers
73.031
Solved Questions
25.769
Unsolved Questions
17.647

SharePointSharePoint

SharePoint enthusiasts
User
30.666
Votes
151.435
Comments
148.692
Questions
57.481
Answers
71.462
Solved Questions
22.652
Unsolved Questions
19.408
Music: Practice & TheoryMusic: Practice & Theory
musicians, students, and enthusiasts
User
15.231
Votes
118.891
Comments
46.663
Questions
7.011
Answers
19.460
Solved Questions
3.967
Unsolved Questions
110

Mi YodeyaMi Yodeya

those who base their lives on Jewish law and tradition and anyone interested in learning more
User
5.524
Votes
206.533
Comments
141.733
Questions
17.448
Answers
28.812
Solved Questions
6.468
Unsolved Questions
2.583

Japanese LanguageJapanese Language

students, teachers, and linguists wanting to discuss the finer points of the Japanese language
User
7.878
Votes
103.115
Comments
42.734
Questions
7.887
Answers
12.608
Solved Questions
5.744
Unsolved Questions
88

TravelTravel

road warriors and seasoned travelers
User
24.401
Votes
262.342
Comments
97.906
Questions
14.855
Answers
25.722
Solved Questions
7.109
Unsolved Questions
134
CryptographyCryptography
software developers, mathematicians and others interested in cryptography
User
19.538
Votes
73.338
Comments
52.642
Questions
8.219
Answers
11.166
Solved Questions
4.337
Unsolved Questions
941

Signal ProcessingSignal Processing

practitioners of the art and science of signal, image and video processing
User
12.524
Votes
45.660
Comments
38.286
Questions
8.396
Answers
10.583
Solved Questions
3.520
Unsolved Questions
2.143
ChristianityChristianity
committed Christians, experts in Christianity and those interested in learning more
User
11.787
Votes
164.828
Comments
92.126
Questions
7.658
Answers
19.060
Solved Questions
3.951
Unsolved Questions
107

Movies & TVMovies & TV

movie and tv enthusiasts
User
18.669
Votes
156.695
Comments
52.188
Questions
9.929
Answers
15.554
Solved Questions
6.121
Unsolved Questions
722
BiologyBiology
biology researchers, academics, and students
User
12.634
Votes
101.420
Comments
53.398
Questions
10.403
Answers
13.070
Solved Questions
5.173
Unsolved Questions
1.367
MathematicaMathematica
users of Mathematica
User
22.464
Votes
401.441
Comments
228.548
Questions
29.729
Answers
45.460
Solved Questions
16.640
Unsolved Questions
3.032
AcademiaAcademia
academics and those enrolled in higher education
User
34.175
Votes
392.883
Comments
117.259
Questions
11.944
Answers
30.035
Solved Questions
5.876
Unsolved Questions
105
Computer ScienceComputer Science
students, researchers and practitioners of computer science
User
31.944
Votes
114.229
Comments
77.487
Questions
12.495
Answers
16.347
Solved Questions
6.044
Unsolved Questions
1.702

The WorkplaceThe Workplace

members of the workforce navigating the professional setting
User
29.248
Votes
365.963
Comments
109.675
Questions
9.290
Answers
29.904
Solved Questions
4.842
Unsolved Questions
2
ChemistryChemistry
scientists, academics, teachers and students
User
13.606
Votes
98.125
Comments
52.260
Questions
12.025
Answers
14.673
Solved Questions
5.479
Unsolved Questions
1.721
Raspberry PiRaspberry Pi
users and developers of hardware and software for Raspberry Pi
User
27.361
Votes
60.405
Comments
44.485
Questions
9.789
Answers
13.771
Solved Questions
3.892
Unsolved Questions
1.890

SalesforceSalesforce

Salesforce administrators, implementation experts, developers and anybody in-between
User
16.856
Votes
164.438
Comments
121.648
Questions
35.264
Answers
43.660
Solved Questions
15.375
Unsolved Questions
9.286
ExpressionEngine® AnswersExpressionEngine® Answers
administrators, end users, developers and designers for ExpressionEngine® CMS
User
4.277
Votes
34.739
Comments
30.352
Questions
10.675
Answers
13.652
Solved Questions
5.165
Unsolved Questions
2.139
Anime & MangaAnime & Manga
anime and manga fans
User
11.114
Votes
81.294
Comments
29.517
Questions
7.021
Answers
9.303
Solved Questions
3.694
Unsolved Questions
845
MagentoMagento
users of the Magento e-Commerce platform
User
20.668
Votes
89.036
Comments
109.719
Questions
29.283
Answers
35.518
Solved Questions
12.295
Unsolved Questions
6.747

English Language LearnersEnglish Language Learners

speakers of other languages learning English
User
20.534
Votes
174.330
Comments
120.367
Questions
21.591
Answers
38.459
Solved Questions
11.993
Unsolved Questions
532

Network EngineeringNetwork Engineering

network engineers
User
14.606
Votes
40.060
Comments
30.059
Questions
5.363
Answers
8.128
Solved Questions
2.469
Unsolved Questions
861

BlenderBlender

people who use Blender to create 3D graphics, animations, or games
User
12.576
Votes
93.536
Comments
57.258
Questions
13.773
Answers
15.178
Solved Questions
6.692
Unsolved Questions
2.430

MathOverflowMathOverflow

professional mathematicians
User
50.153
Votes
1.160.020
Comments
467.730
Questions
66.870
Answers
106.613
Solved Questions
32.457
Unsolved Questions
14.562

Stack Overflow em PortuguêsStack Overflow em Português

programadores profissionais e entusiastas
User
24.300
Votes
216.861
Comments
177.876
Questions
34.773
Answers
46.386
Solved Questions
18.421
Unsolved Questions
6.849

AviationAviation

aircraft pilots, mechanics, and enthusiasts
User
8.818
Votes
121.456
Comments
40.188
Questions
4.877
Answers
10.199
Solved Questions
3.124
Unsolved Questions
44

Software RecommendationsSoftware Recommendations

people seeking specific software recommendations
User
14.355
Votes
48.765
Comments
26.840
Questions
7.430
Answers
7.817
Solved Questions
1.756
Unsolved Questions
3.083

WorldbuildingWorldbuilding

writers/artists using science, geography and culture to construct imaginary worlds and settings
User
11.815
Votes
139.108
Comments
73.736
Questions
4.284
Answers
20.085
Solved Questions
2.544
Unsolved Questions
2

EmacsEmacs

those using, extending or developing Emacs
User
5.448
Votes
41.807
Comments
22.414
Questions
5.201
Answers
6.813
Solved Questions
3.070
Unsolved Questions
950