All Sites - Stack Exchange

Stack Overflow

Q&A for professional and enthusiast programmers

questions	24m
answers	36m
answered	70%
users	24m

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Server Fault

Q&A for system and network administrators

questions	326k
answers	516k
answered	76%
users	956k

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Super User

Q&A for computer enthusiasts and power users

questions	508k
answers	736k
answered	66%
users	1.7m

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Meta Stack Exchange

Q&A for meta-discussion of the Stack Exchange family of Q&A websites

questions	100k
answers	151k
answered	86%
users	1.3m

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Web Applications

Q&A for power users of web applications

questions	34k
answers	50k
answered	82%
users	248k

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Arqade

Q&A for passionate videogamers on all platforms

questions	101k
answers	164k
answered	93%
users	219k

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Webmasters

Q&A for webmasters

questions	38k
answers	56k
answered	90%
users	114k

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Seasoned Advice

Q&A for professional and amateur chefs

questions	27k
answers	65k
answered	97%
users	82k

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Game Development

Q&A for professional and independent game developers

questions	57k
answers	82k
answered	84%
users	141k

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Photography

Q&A for professional, enthusiast and amateur photographers

questions	27k
answers	67k
answered	98%
users	82k

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Cross Validated

Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization

questions	216k
answers	211k
answered	66%
users	353k

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Mathematics

Q&A for people studying math at any level and professionals in related fields

questions	1.7m
answers	2.2m
answered	78%
users	1.2m

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Home Improvement

Q&A for contractors and serious DIYers

questions	87k
answers	140k
answered	84%
users	153k

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Geographic Information Systems

Q&A for cartographers, geographers and GIS professionals

questions	165k
answers	183k
answered	77%
users	205k

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TeX - LaTeX

Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems

questions	262k
answers	334k
answered	90%
users	277k

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Ask Ubuntu

Q&A for Ubuntu users and developers

questions	417k
answers	527k
answered	64%
users	1.6m

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Personal Finance & Money

Q&A for people who want to be financially literate

questions	39k
answers	73k
answered	92%
users	101k

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English Language & Usage

Q&A for linguists, etymologists, and serious English language enthusiasts

questions	131k
answers	295k
answered	93%
users	412k

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Stack Apps

Q&A for apps, scripts, and development with the Stack Exchange API

questions	2.9k
answers	2.8k
answered	62%
users	84k

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User Experience

Q&A for user experience researchers and experts

questions	33k
answers	84k
answered	97%
users	139k

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Unix & Linux

Q&A for users of Linux, FreeBSD and other Un*x-like operating systems

questions	240k
answers	354k
answered	75%
users	566k

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WordPress Development

Q&A for WordPress developers and administrators

questions	116k
answers	144k
answered	69%
users	199k

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Theoretical Computer Science

Q&A for theoretical computer scientists and researchers in related fields

questions	13k
answers	17k
answered	72%
users	51k

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Ask Different

Q&A for power users of Apple hardware and software

questions	130k
answers	192k
answered	82%
users	426k

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Role-playing Games

Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games

questions	50k
answers	113k
answered	100%
users	70k

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Bicycles

Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles

questions	21k
answers	50k
answered	96%
users	59k

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Software Engineering

Q&A for professionals, academics, and students working within the systems development life cycle

questions	64k
answers	179k
answered	95%
users	379k

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Electrical Engineering

Q&A for electronics and electrical engineering professionals, students, and enthusiasts

questions	202k
answers	334k
answered	86%
users	313k

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Android Enthusiasts

Q&A for enthusiasts and power users of the Android operating system

questions	59k
answers	69k
answered	59%
users	312k

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Board & Card Games

Q&A for people who like playing board games, designing board games or modifying the rules of existing board games

questions	14k
answers	25k
answered	98%
users	34k

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Physics

Q&A for active researchers, academics and students of physics

questions	237k
answers	346k
answered	80%
users	331k

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Homebrewing

Q&A for dedicated home brewers and serious enthusiasts

questions	6.2k
answers	14k
answered	99%
users	14k

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Information Security

Q&A for information security professionals

questions	69k
answers	119k
answered	90%
users	259k

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Writing

Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing

questions	13k
answers	39k
answered	98%
users	48k

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Video Production

Q&A for engineers, producers, editors and enthusiasts spanning the fields of video and media creation

questions	9.2k
answers	11k
answered	76%
users	35k

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Graphic Design

Q&A for Graphic Design professionals, students, and enthusiasts

questions	37k
answers	64k
answered	90%
users	143k

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Database Administrators

Q&A for database professionals who wish to improve their database skills and learn from others in the community

questions	104k
answers	140k
answered	81%
users	254k

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Science Fiction & Fantasy

Q&A for science fiction and fantasy enthusiasts

questions	76k
answers	133k
answered	90%
users	141k

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Code Review

Q&A for peer programmer code reviews

questions	78k
answers	123k
answered	92%
users	243k

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Code Golf

Q&A for programming puzzle enthusiasts and code golfers

questions	14k
answers	203k
answered	100%
users	97k

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Quantitative Finance

Q&A for finance professionals and academics

questions	23k
answers	27k
answered	74%
users	52k

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Project Management

Q&A for project managers

questions	6.4k
answers	19k
answered	97%
users	42k

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Skeptics

Q&A for scientific skepticism

questions	11k
answers	14k
answered	87%
users	53k

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Physical Fitness

Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs

questions	10k
answers	19k
answered	95%
users	29k

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Drupal Answers

Q&A for Drupal developers and administrators

questions	88k
answers	114k
answered	72%
users	70k

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Motor Vehicle Maintenance & Repair

Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles

questions	28k
answers	40k
answered	76%
users	65k

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Parenting

Q&A for parents, grandparents, nannies and others with a parenting role

questions	6.9k
answers	23k
answered	99%
users	33k

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SharePoint

Q&A for SharePoint enthusiasts

questions	103k
answers	133k
answered	66%
users	84k

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Music: Practice & Theory

Q&A for musicians, students, and enthusiasts

questions	26k
answers	67k
answered	98%
users	73k

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Software Quality Assurance & Testing

Q&A for software quality control experts, automation engineers, and software testers

questions	12k
answers	25k
answered	89%
users	51k

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Mi Yodeya

Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more

questions	42k
answers	62k
answered	82%
users	25k

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German Language

Q&A for speakers of German wanting to discuss the finer points of the language and translation

questions	18k
answers	40k
answered	100%
users	43k

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Japanese Language

Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language

questions	30k
answers	41k
answered	97%
users	41k

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Philosophy

Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence

questions	22k
answers	54k
answered	87%
users	58k

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Gardening & Landscaping

Q&A for gardeners and landscapers

questions	18k
answers	26k
answered	86%
users	32k

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Travel

Q&A for road warriors and seasoned travelers

questions	49k
answers	77k
answered	97%
users	114k

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Cryptography

Q&A for software developers, mathematicians and others interested in cryptography

questions	31k
answers	37k
answered	84%
users	90k

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Signal Processing

Q&A for practitioners of the art and science of signal, image and video processing

questions	28k
answers	35k
answered	80%
users	61k

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French Language

Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language

questions	14k
answers	28k
answered	99%
users	28k

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Christianity

Q&A for committed Christians, experts in Christianity and those interested in learning more

questions	17k
answers	39k
answered	96%
users	43k

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Bitcoin

Q&A for Bitcoin users, developers, and enthusiasts

questions	31k
answers	43k
answered	89%
users	116k

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Linguistics

Q&A for professional linguists and others with an interest in linguistic research and theory

questions	11k
answers	17k
answered	81%
users	31k

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Biblical Hermeneutics

Q&A for professors, theologians, and those interested in exegetical analysis of biblical texts

questions	15k
answers	44k
answered	98%
users	54k

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History

Q&A for historians and history buffs

questions	15k
answers	28k
answered	90%
users	47k

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Bricks

Q&A for LEGO® and building block enthusiasts

questions	4.7k
answers	7.4k
answered	96%
users	17k

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Spanish Language

Q&A for linguists, teachers, students and Spanish language enthusiasts in general wanting to discuss the finer points of the language

questions	9.2k
answers	20k
answered	99%
users	26k

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Computational Science

Q&A for scientists using computers to solve scientific problems

questions	11k
answers	14k
answered	76%
users	37k

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Movies & TV

Q&A for movie and TV enthusiasts

questions	23k
answers	38k
answered	92%
users	78k

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Chinese Language

Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language

questions	12k
answers	29k
answered	99%
users	28k

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Biology

Q&A for biology researchers, academics, and students

questions	29k
answers	32k
answered	79%
users	64k

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Poker

Q&A for serious players and enthusiasts of poker

questions	2.2k
answers	4.6k
answered	95%
users	10k

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Mathematica

Q&A for users of Wolfram Mathematica

questions	95k
answers	133k
answered	85%
users	73k

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Psychology & Neuroscience

Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry

questions	8.1k
answers	8.4k
answered	77%
users	29k

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The Great Outdoors

Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment

questions	6.2k
answers	15k
answered	98%
users	21k

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Martial Arts

Q&A for students and teachers of all martial arts

questions	2.3k
answers	6.9k
answered	97%
users	10k

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Sports

Q&A for participants in team and individual sport activities

questions	6.1k
answers	9.1k
answered	93%
users	18k

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Academia

Q&A for academics and those enrolled in higher education

questions	44k
answers	105k
answered	96%
users	153k

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Computer Science

Q&A for students, researchers and practitioners of computer science

questions	49k
answers	57k
answered	79%
users	141k

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The Workplace

Q&A for members of the workforce navigating the professional setting

questions	32k
answers	112k
answered	100%
users	110k

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Chemistry

Q&A for scientists, academics, teachers, and students in the field of chemistry

questions	45k
answers	53k
answered	81%
users	113k

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Chess

Q&A for serious players and enthusiasts of chess

questions	9.2k
answers	21k
answered	97%
users	31k

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Raspberry Pi

Q&A for users and developers of hardware and software for Raspberry Pi

questions	38k
answers	50k
answered	72%
users	135k

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Russian Language

Q&A for students, teachers, and linguists wanting to discuss the finer points of the Russian language

questions	4.7k
answers	12k
answered	100%
users	16k

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Islam

Q&A for Muslims, experts in Islam, and those interested in learning more about Islam

questions	15k
answers	23k
answered	80%
users	43k

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Salesforce

Q&A for Salesforce administrators, implementation experts, developers and anybody in-between

questions	135k
answers	156k
answered	73%
users	121k

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Ask Patents

Q&A for people interested in improving the patent system

questions	4.7k
answers	7.3k
answered	87%
users	20k

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Genealogy & Family History

Q&A for expert genealogists and people interested in genealogy or family history

questions	3.7k
answers	6.1k
answered	89%
users	11k

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Robotics

Q&A for professional robotic engineers, hobbyists, researchers and students

questions	46k
answers	54k
answered	93%
users	31k

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ExpressionEngine® Answers

Q&A for administrators, end users, developers and designers for ExpressionEngine® CMS

questions	12k
answers	16k
answered	80%
users	9.5k

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Politics

Q&A for people interested in governments, policies, and political processes

questions	17k
answers	39k
answered	95%
users	42k

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Anime & Manga

Q&A for anime and manga fans

questions	12k
answers	19k
answered	89%
users	52k

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Magento

Q&A for users of the Magento e-Commerce platform

questions	113k
answers	145k
answered	63%
users	89k

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English Language Learners

Q&A for speakers of other languages learning English

questions	111k
answers	170k
answered	91%
users	166k

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Sustainable Living

Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources

questions	2.2k
answers	4.3k
answered	94%
users	11k

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Tridion

Q&A for Tridion developers and administrators

questions	7.4k
answers	11k
answered	90%
users	4.6k

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Reverse Engineering

Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation

questions	9.8k
answers	11k
answered	77%
users	37k

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Network Engineering

Q&A for network engineers

questions	17k
answers	26k
answered	95%
users	76k

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Open Data

Q&A for developers and researchers interested in open data

questions	6.2k
answers	7.3k
answered	66%
users	28k

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Freelancing

Q&A for self-employed and freelance workers

questions	2k
answers	4.8k
answered	96%
users	24k

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Blender

Q&A for people who use Blender to create 3D graphics, animations, or games

questions	116k
answers	107k
answered	66%
users	158k

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MathOverflow

Q&A for professional mathematicians

questions	155k
answers	189k
answered	69%
users	452k

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Space Exploration

Q&A for spacecraft operators, scientists, engineers, and enthusiasts

questions	19k
answers	29k
answered	88%
users	40k

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Sound Design

Q&A for sound engineers, producers, editors, and enthusiasts

questions	10k
answers	26k
answered	91%
users	24k

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Astronomy

Q&A for astronomers and astrophysicists

questions	15k
answers	21k
answered	88%
users	41k

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Tor

Q&A for researchers, developers, and users of Tor

questions	5.8k
answers	7.1k
answered	76%
users	28k

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Pets

Q&A for pet owners, caretakers, breeders, veterinarians, and trainers

questions	8.4k
answers	12k
answered	88%
users	22k

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Amateur Radio

Q&A for amateur radio enthusiasts

questions	4.8k
answers	9k
answered	95%
users	21k

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Italian Language

Q&A for students, teachers, and linguists wanting to discuss the finer points of the Italian language

questions	3.8k
answers	5.6k
answered	93%
users	9.6k

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Stack Overflow em Português

Perguntas e respostas para programadores profissionais e entusiastas

questions	153k
answers	192k
answered	77%
users	311k

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Aviation

Q&A for aircraft pilots, mechanics, and enthusiasts

questions	26k
answers	49k
answered	95%
users	61k

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Ebooks

Q&A for ebook publishers and readers

questions	1.5k
answers	2.3k
answered	76%
users	16k

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Beer, Wine & Spirits

Q&A for alcoholic beverage aficionados and those interested in beer, wine, or spirits

questions	1.2k
answers	2.6k
answered	98%
users	10k

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Software Recommendations

Q&A for people seeking specific software recommendations

questions	23k
answers	24k
answered	55%
users	75k

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Arduino

Q&A for developers of open-source hardware and software that is compatible with Arduino

questions	25k
answers	33k
answered	83%
users	80k

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Expatriates

Q&A for people living abroad on a long-term basis

questions	8k
answers	8.1k
answered	79%
users	18k

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Mathematics Educators

Q&A for those involved in the field of teaching mathematics

questions	3.8k
answers	13k
answered	93%
users	17k

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Earth Science

Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences

questions	7.2k
answers	8.9k
answered	79%
users	22k

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Joomla

Q&A for Joomla! administrators, users, developers and designers

questions	7.8k
answers	11k
answered	85%
users	12k

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Data Science

Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field

questions	37k
answers	42k
answered	68%
users	140k

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Puzzling

Q&A for those who create, solve, and study puzzles

questions	28k
answers	65k
answered	99%
users	73k

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Craft CMS

Q&A for administrators, end users, developers and designers for Craft CMS

questions	14k
answers	17k
answered	90%
users	12k

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Buddhism

Q&A for people practicing or interested in Buddhist philosophy, teaching, and practice

questions	8.6k
answers	29k
answered	98%
users	17k

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Hinduism

Q&A for followers of the Hindu religion and those interested in learning more about Hinduism

questions	19k
answers	21k
answered	69%
users	28k

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Community Building

Q&A for community managers, administrators, and moderators

questions	584
answers	1.3k
answered	96%
users	7.4k

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Worldbuilding

Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings

questions	38k
answers	177k
answered	100%
users	85k

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スタック・オーバーフロー

熱狂的でプロフェッショナルなプログラマーのためのQ&A

questions	31k
answers	37k
answered	78%
users	46k

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Emacs

Q&A for those using, extending or developing Emacs

questions	27k
answers	32k
answered	77%
users	32k

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History of Science and Mathematics

Q&A for people interested in the history and origins of science and mathematics

questions	4.7k
answers	5.9k
answered	75%
users	17k

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Economics

Q&A for those who study, teach, research and apply economics and econometrics

questions	16k
answers	19k
answered	77%
users	34k

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Lifehacks

Q&A for people looking to bypass life's everyday problems with simple tricks

questions	3.1k
answers	11k
answered	99%
users	32k

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Engineering

Q&A for professionals and students of engineering

questions	16k
answers	21k
answered	72%
users	42k

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Coffee

Q&A for people interested in all aspects of producing and consuming coffee

questions	1.5k
answers	2.9k
answered	93%
users	12k

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Vi and Vim

Q&A for people using the vi and Vim families of text editors

questions	15k
answers	19k
answered	84%
users	45k

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Music Fans

Q&A for music historians, critics, and fans

questions	2.3k
answers	3.5k
answered	89%
users	14k

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Woodworking

Q&A for professional and amateur woodworkers

questions	4.2k
answers	7.5k
answered	91%
users	14k

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CiviCRM

Q&A for administrators and users of the CiviCRM Constituent Relationship Management software

questions	16k
answers	20k
answered	81%
users	12k

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Medical Sciences

Q&A for professionals in medical and allied health fields, students of those professions, related academics, and others with a sound understanding of medicine and healthcare-related sciences

questions	7.9k
answers	6.7k
answered	70%
users	22k

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Stack Overflow на русском

Вопросы и ответы для программистов

questions	467k
answers	502k
answered	67%
users	407k

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Русский язык

Cайт вопросов и ответов для лингвистов и энтузиастов русского языка

questions	24k
answers	44k
answered	96%
users	25k

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Mythology & Folklore

Q&A for enthusiasts and scholars of mythology and folklore

questions	2.1k
answers	3.1k
answered	88%
users	9.9k

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Law

Q&A for legal professionals, students, and others with experience or interest in law

questions	30k
answers	44k
answered	91%
users	47k

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Open Source

Q&A for people organizing, marketing or licensing open source development projects

questions	4.8k
answers	7k
answered	94%
users	28k

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elementary OS

Q&A for developers and users of elementary OS and applications

questions	8.3k
answers	10k
answered	71%
users	28k

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Portuguese Language

Q&A for linguists, teachers and learners wanting to discuss the finer points of the Portuguese language

questions	2.5k
answers	4.4k
answered	95%
users	9.9k

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Computer Graphics

Q&A for computer graphics researchers and programmers

questions	4.1k
answers	4.2k
answered	75%
users	17k

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Hardware Recommendations

Q&A for people seeking specific hardware recommendations

questions	4.4k
answers	4.1k
answered	64%
users	17k

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Stack Overflow en español

Preguntas y respuestas para programadores y profesionales de la informática

questions	197k
answers	215k
answered	60%
users	340k

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3D Printing

Q&A for 3D printing enthusiasts

questions	5.8k
answers	9k
answered	86%
users	35k

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Ethereum

Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain

questions	54k
answers	62k
answered	68%
users	122k

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Latin Language

Q&A for linguists, teachers, and students wanting to discuss the finer points of the Latin language

questions	6.6k
answers	9.5k
answered	91%
users	10k

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Language Learning

Q&A for students, teachers, polyglots, and anyone interested in the techniques of second-language acquisition

questions	1.4k
answers	2.2k
answered	79%
users	9.8k

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Retrocomputing

Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear

questions	6.1k
answers	15k
answered	95%
users	24k

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Arts & Crafts

Q&A for artists and crafters

questions	2.3k
answers	4.3k
answered	98%
users	14k

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Korean Language

Q&A for linguists, teachers and students of the Korean language

questions	1.9k
answers	3.2k
answered	97%
users	8.4k

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Monero

Q&A for developers and users of the secure, private and untraceable cryptocurrency Monero

questions	4.5k
answers	5.4k
answered	88%
users	13k

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Artificial Intelligence

Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment

questions	13k
answers	13k
answered	65%
users	74k

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Esperanto Language

Q&A for teachers and students of the Esperanto language

questions	1.7k
answers	3.8k
answered	99%
users	4.4k

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Sitecore

Q&A for developers and end users of the Sitecore CMS and multichannel marketing software

questions	13k
answers	17k
answered	80%
users	12k

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Internet of Things

Q&A for builders and users of networked sensors and control devices in the contexts of smart homes, industry automation, or environmental sensors

questions	2.3k
answers	2.8k
answered	77%
users	18k

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Literature

Q&A for scholars and enthusiasts of literature

questions	7k
answers	7.8k
answered	80%
users	15k

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Veganism & Vegetarianism

Q&A for those committed to a vegan or vegetarian lifestyle and anyone interested in learning more

questions	762
answers	1.5k
answered	95%
users	5.2k

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Ukrainian Language

Q&A for linguists, teachers and students of the Ukrainian language

questions	2.3k
answers	3.4k
answered	94%
users	6.4k

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DevOps

Q&A for software engineers working on automated testing, continuous delivery, service integration and monitoring, and building SDLC infrastructure

questions	5.4k
answers	7.4k
answered	87%
users	39k

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Bioinformatics

Q&A for researchers, developers, students, teachers, and end users interested in bioinformatics

questions	6.2k
answers	7.7k
answered	81%
users	15k

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Computer Science Educators

Q&A for those involved in the field of teaching Computer Science

questions	1.2k
answers	4.7k
answered	93%
users	13k

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Interpersonal Skills

Q&A for people looking to improve their interpersonal communication skills

questions	3.9k
answers	14k
answered	100%
users	32k

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Iota

Q&A for users of Iota, the open-source cryptocurrency for IoT that does not use a blockchain

questions	1.1k
answers	1.3k
answered	84%
users	6.2k

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Stellar

Q&A for developers and users of Stellar and the Stellar Distributed Exchange

questions	1.5k
answers	1.7k
answered	77%
users	7.4k

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Constructed Languages

Q&A for designers and users of artificial or invented languages, consciously developed instead of having developed naturally

questions	622
answers	1.2k
answered	94%
users	3.8k

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Quantum Computing

Q&A for engineers, scientists, programmers, and computing professionals interested in quantum computing

questions	12k
answers	13k
answered	80%
users	24k

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EOS.IO

Q&A for users and developers of distributed applications built on top of the blockchain operating system, EOS.IO

questions	2.4k
answers	2.9k
answered	79%
users	8.7k

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Tezos

Q&A for users, experts, and developers of the Tezos blockchain project

questions	2.2k
answers	2.6k
answered	81%
users	8.2k

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Operations Research

Q&A for operations research and analytics professionals, educators, and students

questions	4.2k
answers	5.7k
answered	80%
users	11k

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Drones and Model Aircraft

Q&A for experienced flyers, pilots, and builders of drones and model aircraft

questions	926
answers	1.3k
answered	82%
users	5.6k

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Matter Modeling

Q&A for materials modelers and data scientists

questions	4.2k
answers	4.4k
answered	87%
users	8.5k

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Cardano

Q&A for users and developers of the Cardano cryptocurrency ecosystem

questions	2.8k
answers	3.8k
answered	81%
users	8.7k

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Proof Assistants

Q&A for mathematicians and computer scientists who develop and use proof assistants

questions	1.1k
answers	1.4k
answered	85%
users	3.7k

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Substrate and Polkadot

Q&A for developers building blockchains with the Substrate SDK

questions	5.1k
answers	5.5k
answered	81%
users	4.5k

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Bioacoustics

Q&A for people interested in the studies of non-human animal sounds and the impacts of sounds on animals

questions	498
answers	1.1k
answered	93%
users	2.2k

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Solana

Q&A for Solana software users and developers

questions	5.8k
answers	6.3k
answered	76%
users	20k

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Programming Language Design and Implementation

Q&A for designers and implementers of computer programming languages

questions	783
answers	2.4k
answered	97%
users	4k

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GenAI

Q&A for GenAI enthusiasts and practitioners and those interested in learning more about using GenAI tools

questions	317
answers	383
answered	67%
users	3.9k

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