All Sites - Stack Exchange

Stack Overflow

Q&A for professional and enthusiast programmers

questions	24m
answers	36m
answered	70%
users	28m

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Server Fault

Q&A for system and network administrators

questions	329k
answers	520k
answered	76%
users	1.1m

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Super User

Q&A for computer enthusiasts and power users

questions	513k
answers	744k
answered	66%
users	2.4m

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Meta Stack Exchange

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

questions	100k
answers	152k
answered	87%
users	1.5m

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Web Applications

Q&A for power users of web applications

questions	35k
answers	50k
answered	82%
users	312k

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Arqade

Q&A for passionate videogamers on all platforms

questions	102k
answers	166k
answered	93%
users	284k

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Webmasters

Q&A for webmasters

questions	39k
answers	57k
answered	90%
users	126k

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Seasoned Advice

Q&A for professional and amateur chefs

questions	28k
answers	65k
answered	97%
users	154k

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Game Development

Q&A for professional and independent game developers

questions	58k
answers	82k
answered	84%
users	151k

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Photography

Q&A for professional, enthusiast and amateur photographers

questions	27k
answers	68k
answered	98%
users	101k

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Cross Validated

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

questions	218k
answers	216k
answered	67%
users	397k

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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	1.4m

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Home Improvement

Q&A for contractors and serious DIYers

questions	91k
answers	146k
answered	84%
users	394k

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Geographic Information Systems

Q&A for cartographers, geographers and GIS professionals

questions	167k
answers	185k
answered	77%
users	256k

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TeX - LaTeX

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

questions	268k
answers	343k
answered	90%
users	334k

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Ask Ubuntu

Q&A for Ubuntu users and developers

questions	423k
answers	534k
answered	64%
users	1.9m

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Personal Finance & Money

Q&A for people who want to be financially literate

questions	40k
answers	74k
answered	92%
users	132k

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English Language & Usage

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

questions	132k
answers	298k
answered	93%
users	592k

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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	61%
users	93k

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User Experience

Q&A for user experience researchers and experts

questions	33k
answers	85k
answered	97%
users	158k

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Unix & Linux

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

questions	244k
answers	360k
answered	75%
users	667k

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WordPress Development

Q&A for WordPress developers and administrators

questions	117k
answers	145k
answered	70%
users	215k

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Theoretical Computer Science

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

questions	13k
answers	17k
answered	71%
users	53k

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Ask Different

Q&A for power users of Apple hardware and software

questions	131k
answers	194k
answered	82%
users	517k

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Role-playing Games

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

questions	51k
answers	114k
answered	100%
users	90k

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Bicycles

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

questions	22k
answers	50k
answered	96%
users	85k

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Software Engineering

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

questions	64k
answers	181k
answered	95%
users	399k

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Electrical Engineering

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

questions	209k
answers	346k
answered	87%
users	464k

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Android Enthusiasts

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

questions	59k
answers	70k
answered	60%
users	460k

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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	26k
answered	98%
users	45k

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Physics

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

questions	243k
answers	356k
answered	80%
users	418k

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Homebrewing

Q&A for dedicated home brewers and serious enthusiasts

questions	6.2k
answers	14k
answered	99%
users	16k

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Information Security

Q&A for information security professionals

questions	70k
answers	120k
answered	90%
users	299k

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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	40k
answered	98%
users	58k

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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	12k
answered	76%
users	40k

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Graphic Design

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

questions	37k
answers	65k
answered	90%
users	174k

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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	105k
answers	141k
answered	82%
users	291k

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Science Fiction & Fantasy

Q&A for science fiction and fantasy enthusiasts

questions	78k
answers	135k
answered	90%
users	180k

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Code Review

Q&A for peer programmer code reviews

questions	78k
answers	124k
answered	94%
users	249k

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Code Golf

Q&A for programming puzzle enthusiasts and code golfers

questions	14k
answers	207k
answered	100%
users	101k

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Quantitative Finance

Q&A for finance professionals and academics

questions	23k
answers	27k
answered	74%
users	61k

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Project Management

Q&A for project managers

questions	6.5k
answers	19k
answered	97%
users	46k

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Skeptics

Q&A for scientific skepticism

questions	11k
answers	15k
answered	87%
users	65k

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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	33k

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Drupal Answers

Q&A for Drupal developers and administrators

questions	88k
answers	115k
answered	72%
users	73k

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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	127k

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Parenting

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

questions	7k
answers	23k
answered	99%
users	44k

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SharePoint

Q&A for SharePoint enthusiasts

questions	103k
answers	134k
answered	66%
users	97k

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Music: Practice & Theory

Q&A for musicians, students, and enthusiasts

questions	27k
answers	69k
answered	98%
users	92k

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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	52k

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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	43k
answers	64k
answered	83%
users	37k

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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	41k
answered	100%
users	55k

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Japanese Language

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

questions	31k
answers	43k
answered	97%
users	49k

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Philosophy

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

questions	24k
answers	60k
answered	88%
users	77k

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Gardening & Landscaping

Q&A for gardeners and landscapers

questions	18k
answers	26k
answered	86%
users	49k

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Travel

Q&A for road warriors and seasoned travelers

questions	50k
answers	79k
answered	96%
users	167k

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Cryptography

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

questions	32k
answers	38k
answered	84%
users	100k

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Signal Processing

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

questions	29k
answers	36k
answered	80%
users	70k

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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	36k

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Christianity

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

questions	18k
answers	41k
answered	96%
users	77k

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Bitcoin

Q&A for Bitcoin users, developers, and enthusiasts

questions	32k
answers	44k
answered	89%
users	133k

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Linguistics

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

questions	12k
answers	17k
answered	81%
users	37k

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Biblical Hermeneutics

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

questions	16k
answers	48k
answered	98%
users	129k

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History

Q&A for historians and history buffs

questions	15k
answers	29k
answered	90%
users	59k

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Bricks

Q&A for LEGO® and building block enthusiasts

questions	4.8k
answers	7.5k
answered	96%
users	22k

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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	9.4k
answers	20k
answered	99%
users	39k

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Computational Science

Q&A for scientists using computers to solve scientific problems

questions	12k
answers	14k
answered	76%
users	40k

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Movies & TV

Q&A for movie and TV enthusiasts

questions	27k
answers	43k
answered	91%
users	105k

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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	30k
answered	99%
users	33k

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Biology

Q&A for biology researchers, academics, and students

questions	29k
answers	33k
answered	80%
users	84k

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Poker

Q&A for serious players and enthusiasts of poker

questions	2.2k
answers	4.6k
answered	95%
users	11k

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Mathematica

Q&A for users of Wolfram Mathematica

questions	97k
answers	137k
answered	86%
users	81k

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Psychology & Neuroscience

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

questions	8.2k
answers	8.5k
answered	77%
users	32k

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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	6.3k
answers	15k
answered	97%
users	30k

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Martial Arts

Q&A for students and teachers of all martial arts

questions	2.3k
answers	7k
answered	97%
users	12k

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Sports

Q&A for participants in team and individual sport activities

questions	6.2k
answers	9.2k
answered	93%
users	24k

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Academia

Q&A for academics and those enrolled in higher education

questions	46k
answers	108k
answered	97%
users	191k

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Computer Science

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

questions	50k
answers	58k
answered	79%
users	150k

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The Workplace

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

questions	33k
answers	113k
answered	100%
users	135k

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Chemistry

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

questions	47k
answers	54k
answered	80%
users	151k

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Chess

Q&A for serious players and enthusiasts of chess

questions	9.4k
answers	22k
answered	97%
users	37k

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Raspberry Pi

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

questions	38k
answers	50k
answered	74%
users	151k

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Russian Language

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

questions	4.9k
answers	12k
answered	100%
users	17k

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Islam

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

questions	16k
answers	23k
answered	81%
users	73k

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Salesforce

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

questions	136k
answers	158k
answered	74%
users	149k

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Ask Patents

Q&A for people interested in improving the patent system

questions	4.9k
answers	7.5k
answered	87%
users	22k

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Genealogy & Family History

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

questions	3.8k
answers	6.2k
answered	90%
users	13k

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Robotics

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

questions	47k
answers	55k
answered	92%
users	37k

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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	10k

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Politics

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

questions	18k
answers	41k
answered	96%
users	50k

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Anime & Manga

Q&A for anime and manga fans

questions	13k
answers	20k
answered	89%
users	62k

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Magento

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

questions	114k
answers	146k
answered	63%
users	95k

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English Language Learners

Q&A for speakers of other languages learning English

questions	113k
answers	175k
answered	92%
users	268k

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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	4.4k
answered	93%
users	13k

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Tridion

Q&A for Tridion developers and administrators

questions	7.4k
answers	11k
answered	90%
users	5.1k

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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	78%
users	39k

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Network Engineering

Q&A for network engineers

questions	17k
answers	27k
answered	95%
users	85k

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Open Data

Q&A for developers and researchers interested in open data

questions	6.3k
answers	7.4k
answered	66%
users	30k

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Freelancing

Q&A for self-employed and freelance workers

questions	2k
answers	4.8k
answered	97%
users	26k

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Blender

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

questions	120k
answers	111k
answered	66%
users	195k

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MathOverflow

Q&A for professional mathematicians

questions	161k
answers	194k
answered	69%
users	477k

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Space Exploration

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

questions	20k
answers	29k
answered	88%
users	51k

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Sound Design

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

questions	10k
answers	26k
answered	91%
users	29k

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Astronomy

Q&A for astronomers and astrophysicists

questions	15k
answers	21k
answered	88%
users	51k

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Tor

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

questions	5.8k
answers	7.1k
answered	75%
users	30k

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Pets

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

questions	8.5k
answers	13k
answered	88%
users	35k

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Amateur Radio

Q&A for amateur radio enthusiasts

questions	5k
answers	9.3k
answered	95%
users	28k

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Italian Language

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

questions	3.9k
answers	5.7k
answered	92%
users	13k

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Stack Overflow em Português

Perguntas e respostas para programadores profissionais e entusiastas

questions	152k
answers	191k
answered	78%
users	376k

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Aviation

Q&A for aircraft pilots, mechanics, and enthusiasts

questions	27k
answers	50k
answered	95%
users	91k

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Ebooks

Q&A for ebook publishers and readers

questions	1.6k
answers	2.4k
answered	77%
users	18k

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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	12k

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Software Recommendations

Q&A for people seeking specific software recommendations

questions	23k
answers	24k
answered	56%
users	82k

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Arduino

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

questions	25k
answers	34k
answered	83%
users	97k

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Expatriates

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

questions	8.2k
answers	8.3k
answered	79%
users	21k

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Mathematics Educators

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

questions	3.9k
answers	13k
answered	93%
users	21k

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Earth Science

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

questions	7.4k
answers	9.2k
answered	78%
users	29k

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Joomla

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

questions	7.9k
answers	11k
answered	86%
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	71%
users	154k

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Puzzling

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

questions	29k
answers	67k
answered	98%
users	86k

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Craft CMS

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

questions	15k
answers	17k
answered	90%
users	13k

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Buddhism

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

questions	8.8k
answers	30k
answered	98%
users	20k

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Hinduism

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

questions	20k
answers	22k
answered	68%
users	50k

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Community Building

Q&A for community managers, administrators, and moderators

questions	584
answers	1.3k
answered	96%
users	8.1k

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Worldbuilding

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

questions	39k
answers	181k
answered	100%
users	98k

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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	32k
answers	37k
answered	78%
users	59k

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Emacs

Q&A for those using, extending or developing Emacs

questions	28k
answers	33k
answered	77%
users	35k

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History of Science and Mathematics

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

questions	4.9k
answers	6.3k
answered	75%
users	20k

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Economics

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

questions	16k
answers	19k
answered	79%
users	40k

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Lifehacks

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

questions	3.1k
answers	12k
answered	99%
users	42k

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Engineering

Q&A for professionals and students of engineering

questions	17k
answers	22k
answered	71%
users	56k

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Coffee

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

questions	1.5k
answers	3k
answered	93%
users	14k

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Vi and Vim

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

questions	15k
answers	20k
answered	84%
users	49k

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Music Fans

Q&A for music historians, critics, and fans

questions	2.3k
answers	3.5k
answered	90%
users	19k

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Woodworking

Q&A for professional and amateur woodworkers

questions	4.3k
answers	7.6k
answered	91%
users	25k

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CiviCRM

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

questions	16k
answers	20k
answered	80%
users	13k

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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	8k
answers	6.7k
answered	70%
users	24k

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Stack Overflow на русском

Вопросы и ответы для программистов

questions	470k
answers	509k
answered	68%
users	502k

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Русский язык

Cайт вопросов и ответов для лингвистов и энтузиастов русского языка

questions	24k
answers	45k
answered	96%
users	42k

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Mythology & Folklore

Q&A for enthusiasts and scholars of mythology and folklore

questions	2.1k
answers	3.1k
answered	89%
users	12k

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Law

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

questions	31k
answers	46k
answered	91%
users	70k

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Open Source

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

questions	5k
answers	7.3k
answered	94%
users	32k

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elementary OS

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

questions	8.2k
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Monero

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Artificial Intelligence

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Esperanto Language

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Ukrainian Language

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DevOps

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Bioinformatics

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Iota

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Stellar

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Constructed Languages

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Quantum Computing

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EOS.IO

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Tezos

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Operations Research

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Drones and Model Aircraft

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Matter Modeling

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Cardano

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Bioacoustics

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Solana

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Programming Language Design and Implementation

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GenAI

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