Stack Overflow

Stack Overflow
Q&A for professional and enthusiast programmers
questions8.6m
answers14m
answered74%
users3.8m
loading...
loading top users...

Server Fault

Server Fault
Q&A for professional system and network administrators
questions187k
answers338k
answered82%
users190k
loading...
loading top users...

Super User

Super User
Q&A for computer enthusiasts and power users
questions249k
answers393k
answered71%
users295k
loading...
loading top users...

Meta Stack Exchange

Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
questions69k
answers110k
answered88%
users119k
loading...
loading top users...

Web Applications

Web Applications
Q&A for power users of web applications
questions16k
answers24k
answered80%
users49k
loading...
loading top users...

Arqade

Arqade
Q&A for passionate videogamers on all platforms
questions50k
answers85k
answered92%
users58k
loading...
loading top users...

Webmasters

Webmasters
Q&A for pro webmasters
questions19k
answers32k
answered97%
users34k
loading...
loading top users...

Seasoned Advice

Seasoned Advice
Q&A for professional and amateur chefs
questions11k
answers29k
answered99%
users20k
loading...
loading top users...

Game Development

Game Development
Q&A for professional and independent game developers
questions24k
answers42k
answered92%
users44k
loading...
loading top users...

Photography

Photography
Q&A for professional, enthusiast and amateur photographers
questions12k
answers33k
answered98%
users22k
loading...
loading top users...

Cross Validated

Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
questions48k
answers52k
answered65%
users46k
loading...
loading top users...

Mathematics

Mathematics
Q&A for people studying math at any level and professionals in related fields
questions373k
answers548k
answered80%
users158k
loading...
loading top users...

Home Improvement

Home Improvement
Q&A for contractors and serious DIYers
questions14k
answers26k
answered89%
users19k
loading...
loading top users...

Geographic Information Systems

Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
questions43k
answers56k
answered75%
users31k
loading...
loading top users...

TeX - LaTeX

TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
questions78k
answers107k
answered93%
users54k
loading...
loading top users...

Ask Ubuntu

Ask Ubuntu
Q&A for Ubuntu users and developers
questions177k
answers227k
answered67%
users238k
loading...
loading top users...

Personal Finance & Money

Personal Finance & Money
Q&A for people who want to be financially literate
questions8.9k
answers19k
answered96%
users15k
loading...
loading top users...

English Language & Usage

English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
questions46k
answers120k
answered98%
users72k
loading...
loading top users...

Stack Apps

Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
questions1.9k
answers2k
answered64%
users19k
loading...
loading top users...

User Experience

User Experience
Q&A for user experience researchers and experts
questions14k
answers42k
answered97%
users44k
loading...
loading top users...

Unix & Linux

Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
questions55k
answers89k
answered81%
users81k
loading...
loading top users...

WordPress Development

WordPress Development
Q&A for WordPress developers and administrators
questions52k
answers67k
answered75%
users45k
loading...
loading top users...

Theoretical Computer Science

Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
questions6.5k
answers11k
answered78%
users19k
loading...
loading top users...

Ask Different

Ask Different
Q&A for power users of Apple hardware and software
questions49k
answers77k
answered72%
users78k
loading...
loading top users...

Role-playing Games

Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
questions10k
answers29k
answered100%
users12k
loading...
loading top users...

Bicycles

Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
questions5.4k
answers15k
answered98%
users11k
loading...
loading top users...

Programmers

Programmers
Q&A for professional programmers interested in conceptual questions about software development
questions34k
answers126k
answered96%
users129k
loading...
loading top users...

Electrical Engineering

Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
questions38k
answers71k
answered90%
users41k
loading...
loading top users...

Android Enthusiasts

Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
questions26k
answers33k
answered65%
users60k
loading...
loading top users...

Board & Card Games

Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
questions4.7k
answers9.9k
answered98%
users7.4k
loading...
loading top users...

Physics

Physics
Q&A for active researchers, academics and students of physics
questions45k
answers72k
answered84%
users44k
loading...
loading top users...

Homebrewing

Homebrewing
Q&A for dedicated home brewers and serious enthusiasts
questions3.4k
answers8.2k
answered99%
users4.6k
loading...
loading top users...

Information Security

Information Security
Q&A for Information security professionals
questions18k
answers39k
answered95%
users49k
loading...
loading top users...

Writers

Writers
Q&A for authors, editors, reviewers, professional writers, and aspiring writers
questions2.7k
answers8.2k
answered99%
users8.1k
loading...
loading top users...

Video Production

Video Production
Q&A for engineers, producers, editors, and enthusiasts spanning the fields of video, and media creation
questions2k
answers3.1k
answered91%
users6k
loading...
loading top users...

Graphic Design

Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
questions11k
answers20k
answered91%
users26k
loading...
loading top users...

Database Administrators

Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
questions29k
answers40k
answered82%
users44k
loading...
loading top users...

Science Fiction & Fantasy

Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
questions18k
answers37k
answered95%
users27k
loading...
loading top users...

Code Review

Code Review
Q&A for peer programmer code reviews
questions20k
answers35k
answered96%
users52k
loading...
loading top users...

Programming Puzzles & Code Golf

Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
questions2.8k
answers27k
answered98%
users25k
loading...
loading top users...

Quantitative Finance

Quantitative Finance
Q&A for finance professionals and academics
questions3.7k
answers6k
answered79%
users7.6k
loading...
loading top users...

Project Management

Project Management
Q&A for project managers
questions2.2k
answers8.1k
answered99%
users9.7k
loading...
loading top users...

Skeptics

Skeptics
Q&A for scientific skepticism
questions5.3k
answers6.9k
answered85%
users16k
loading...
loading top users...

Physical Fitness

Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
questions4.4k
answers9.3k
answered96%
users9.2k
loading...
loading top users...

Drupal Answers

Drupal Answers
Q&A for Drupal developers and administrators
questions46k
answers58k
answered69%
users26k
loading...
loading top users...

Motor Vehicle Maintenance & Repair

Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
questions4.1k
answers7.1k
answered89%
users6k
loading...
loading top users...

Parenting

Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
questions2.8k
answers9.7k
answered100%
users8k
loading...
loading top users...

SharePoint

SharePoint
Q&A for SharePoint enthusiasts
questions44k
answers57k
answered70%
users23k
loading...
loading top users...

Music: Practice & Theory

Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
questions4.7k
answers13k
answered99%
users9.9k
loading...
loading top users...

Software Quality Assurance & Testing

Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
questions2.4k
answers5.9k
answered87%
users7.8k
loading...
loading top users...

Mi Yodeya

Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
questions13k
answers23k
answered87%
users4.2k
loading...
loading top users...

German Language

German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
questions4.2k
answers10k
answered100%
users6.8k
loading...
loading top users...

Japanese Language

Japanese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language
questions5.3k
answers9k
answered99%
users5.4k
loading...
loading top users...

Philosophy

Philosophy
Q&A for those interested in logical reasoning
questions3.6k
answers8.8k
answered93%
users8.4k
loading...
loading top users...

Gardening & Landscaping

Gardening & Landscaping
Q&A for gardeners and landscapers
questions3.5k
answers6.1k
answered99%
users4.1k
loading...
loading top users...

Travel

Travel
Q&A for road warriors and seasoned travelers
questions9.6k
answers17k
answered99%
users15k
loading...
loading top users...

Personal Productivity

Personal Productivity
Q&A for people wanting to improve their personal productivity
questions1.7k
answers6.6k
answered100%
users9.4k
loading...
loading top users...

Cryptography

Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
questions5.6k
answers8k
answered90%
users13k
loading...
loading top users...

Signal Processing

Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
questions5.7k
answers7.5k
answered77%
users8.4k
loading...
loading top users...

French Language

French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
questions2.5k
answers6k
answered100%
users4.9k
loading...
loading top users...

Christianity

Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
questions6.3k
answers16k
answered99%
users8.6k
loading...
loading top users...

Bitcoin

Bitcoin
Q&A for Bitcoin crypto-currency enthusiasts
questions8.1k
answers13k
answered88%
users14k
loading...
loading top users...

Linguistics

Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
questions2.5k
answers4.1k
answered81%
users4.3k
loading...
loading top users...

Biblical Hermeneutics

Biblical Hermeneutics
Q&A for professors, theologians, and those interested in exegetical analysis of biblical texts
questions2.2k
answers4.6k
answered96%
users3.3k
loading...
loading top users...

History

History
Q&A for historians and history buffs
questions3.5k
answers6.8k
answered94%
users6.1k
loading...
loading top users...

LEGO® Answers

LEGO® Answers
Q&A for LEGO® and building block enthusiasts
questions1.1k
answers2.1k
answered98%
users2.9k
loading...
loading top users...

Spanish Language

Spanish Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Spanish language
questions2k
answers4.9k
answered100%
users3.9k
loading...
loading top users...

Computational Science

Computational Science
Q&A for scientists using computers to solve scientific problems
questions3.5k
answers5.6k
answered84%
users7.6k
loading...
loading top users...

Movies & TV

Movies & TV
Q&A for movie and tv enthusiasts
questions6.6k
answers10k
answered93%
users11k
loading...
loading top users...

Chinese Language

Chinese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
questions2.1k
answers5.8k
answered99%
users4.7k
loading...
loading top users...

Biology

Biology
Q&A for biology researchers, academics, and students
questions6.8k
answers8.8k
answered91%
users7.6k
loading...
loading top users...

Poker

Poker
Q&A for serious players and enthusiasts of poker
questions559
answers1.5k
answered98%
users1.8k
loading...
loading top users...

Mathematica

Mathematica
Q&A for users of Mathematica
questions20k
answers32k
answered89%
users16k
loading...
loading top users...

Cognitive Sciences

Cognitive Sciences
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
questions2.4k
answers3k
answered80%
users4.8k
loading...
loading top users...

The Great Outdoors

The Great Outdoors
Q&A for people who love outdoor activities, excursions, and outdoorsmanship
questions1.7k
answers4k
answered99%
users3.1k
loading...
loading top users...

Martial Arts

Martial Arts
Q&A for students and teachers of all martial arts
questions678
answers2.5k
answered98%
users2.3k
loading...
loading top users...

Sports

Sports
Q&A for participants in team and individual sport activities
questions1.9k
answers3k
answered93%
users3.3k
loading...
loading top users...

Academia

Academia
Q&A for academics and those enrolled in higher education
questions7k
answers18k
answered98%
users19k
loading...
loading top users...

Computer Science

Computer Science
Q&A for students, researchers and practitioners of computer science
questions8.4k
answers12k
answered87%
users20k
loading...
loading top users...

The Workplace

The Workplace
Q&A for members of the workforce navigating the professional setting
questions5.7k
answers19k
answered100%
users20k
loading...
loading top users...

Windows Phone

Windows Phone
Q&A for enthusiasts and power users of Windows Phone OS
questions1.7k
answers2.3k
answered86%
users4.3k
loading...
loading top users...

Chemistry

Chemistry
Q&A for scientists, academics, teachers and students
questions5.9k
answers7.9k
answered91%
users6.6k
loading...
loading top users...

Chess

Chess
Q&A for serious players and enthusiasts of chess
questions1.5k
answers3.7k
answered98%
users4.3k
loading...
loading top users...

Raspberry Pi

Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
questions6k
answers8.6k
answered78%
users16k
loading...
loading top users...

Russian Language

Russian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Russian language
questions1.1k
answers3k
answered100%
users3.3k
loading...
loading top users...

Islam

Islam
Q&A for Muslims, experts in Islam, and those interested in learning more about Islam
questions3.4k
answers6k
answered84%
users4.9k
loading...
loading top users...

Salesforce

Salesforce
Q&A for Salesforce administrators, implementation experts, developers and anybody in-between
questions20k
answers26k
answered80%
users9.6k
loading...
loading top users...

Ask Patents

Ask Patents
Q&A for people interested in improving and participating in the patent system
questions1.5k
answers2.8k
answered77%
users6.6k
loading...
loading top users...

Genealogy & Family History

Genealogy & Family History
Q&A for expert genealogists and people interested in genealogy or family history
questions948
answers2.2k
answered97%
users1.5k
loading...
loading top users...

Robotics

Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
questions1.4k
answers2.2k
answered86%
users4.5k
loading...
loading top users...

ExpressionEngine® Answers

ExpressionEngine® Answers
Q&A for administrators, end users, developers and designers for ExpressionEngine® CMS
questions9k
answers11k
answered80%
users3.5k
loading...
loading top users...

Politics

Politics
Q&A for people interested in governments, policies, and political processes
questions1.4k
answers2.4k
answered87%
users2.8k
loading...
loading top users...

Anime & Manga

Anime & Manga
Q&A for anime and manga fans
questions4.2k
answers5.8k
answered87%
users5.8k
loading...
loading top users...

Magento

Magento
Q&A for users of the Magento e-Commerce platform
questions15k
answers19k
answered73%
users12k
loading...
loading top users...

English Language Learners

English Language Learners
Q&A for speakers of other languages learning English
questions12k
answers22k
answered98%
users11k
loading...
loading top users...

Sustainable Living

Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
questions640
answers1.3k
answered97%
users1.8k
loading...
loading top users...

Tridion

Tridion
Q&A for Tridion developers and administrators
questions2.7k
answers4.6k
answered96%
users1.2k
loading...
loading top users...

Reverse Engineering

Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation
questions1.5k
answers2.5k
answered91%
users5k
loading...
loading top users...

Network Engineering

Network Engineering
Q&A for network engineers
questions2.9k
answers4.7k
answered87%
users8k
loading...
loading top users...

Open Data

Open Data
Q&A for developers and researchers interested in open data
questions942
answers1.9k
answered91%
users4k
loading...
loading top users...

Freelancing

Freelancing
Q&A for self-employed and freelance workers
questions624
answers1.6k
answered97%
users4.4k
loading...
loading top users...

Blender

Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
questions5.8k
answers7.4k
answered90%
users6.1k
loading...
loading top users...

MathOverflow

MathOverflow
Q&A for professional mathematicians
questions56k
answers95k
answered80%
users40k
loading...
loading top users...

Space Exploration

Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
questions2k
answers3.2k
answered93%
users3.8k
loading...
loading top users...

Sound Design

Sound Design
Q&A for sound engineers, producers, editors, and enthusiasts
questions6.1k
answers20k
answered95%
users4.9k
loading...
loading top users...

Astronomy

Astronomy
Q&A for astronomers and astrophysicists
questions1.4k
answers2.2k
answered95%
users3k
loading...
loading top users...

Tor

Tor
Q&A for researchers, developers, and users of Tor
questions1.4k
answers1.8k
answered79%
users3k
loading...
loading top users...

Pets

Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
questions1.6k
answers2.6k
answered92%
users2.2k
loading...
loading top users...

Amateur Radio

Amateur Radio
Q&A for amateur radio enthusiasts
questions724
answers1.3k
answered98%
users1.8k
loading...
loading top users...

Italian Language

Italian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Italian language
questions523
answers1k
answered99%
users1k
loading...
loading top users...

Stack Overflow em Português

Stack Overflow em Português
Q&A for programadores profissionais e entusiastas
questions13k
answers20k
answered92%
users12k
loading...
loading top users...

Aviation

Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
questions2k
answers4.2k
answered100%
users4.4k
loading...
loading top users...

Ebooks

Ebooks
Q&A for ebook publishers and readers
questions474
answers804
answered89%
users2k
loading...
loading top users...

Beer

Beer
Q&A for beer aficionados and collectors
questions324
answers697
answered98%
users1.5k
loading...
loading top users...

Software Recommendations

Software Recommendations
Q&A for people seeking specific software recommendations
questions3.8k
answers4.1k
answered57%
users7.3k
loading...
loading top users...

Arduino

Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
questions1.7k
answers2.3k
answered74%
users4.2k
loading...
loading top users...

Expatriates

Expatriates
Q&A for people living abroad on a long-term basis
questions785
answers1.2k
answered92%
users1.8k
loading...
loading top users...

Mathematics Educators

Mathematics Educators
Q&A for those involved in the field of teaching mathematics
questions816
answers2.9k
answered96%
users2.4k
loading...
loading top users...

Earth Science

Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
questions760
answers1k
answered90%
users1.3k
loading...
loading top users...

Joomla

Joomla
Q&A for Joomla! administrators, users, developers and designers
questions1.2k
answers2k
answered94%
users1.3k
loading...
loading top users...

Data Science

Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
questions552
answers965
answered77%
users3.4k
loading...
loading top users...

Puzzling

Puzzling
Q&A for those who study the creation and solving of puzzles
questions1.1k
answers3.2k
answered98%
users4.4k
loading...
loading top users...

Craft CMS

Craft CMS
Q&A for administrators, end users, developers and designers for Craft CMS
questions1.8k
answers2.3k
answered96%
users1.1k
loading...
loading top users...

Buddhism

Buddhism
Q&A for people practicing or interested in Buddhist philosophy, teaching, and practice
questions938
answers2.6k
answered98%
users1.4k
loading...
loading top users...

Hinduism

Hinduism
Q&A for followers of the Hindu religion and those interested in learning more about Hinduism
questions958
answers1.5k
answered80%
users1.2k
loading...
loading top users...

Community Building

Community Building
Q&A for community managers, administrators, and moderators
questions224
answers605
answered100%
users795
loading...
loading top users...

Startups

Startups
Q&A for entrepreneurs faced with delivering a new product or service under conditions of significant uncertainty
questions498
answers1k
answered93%
users1.9k
loading...
loading top users...

Worldbuilding

Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
questions745
answers3.5k
answered100%
users3k
loading...
loading top users...

スタック・オーバーフロー

スタック・オーバーフロー
Q&A for プログラマーとプログラミングに熱心の人
questions341
answers658
answered85%
users4.5k
loading...
loading top users...

Emacs

Emacs
Q&A for for those using, extending or developing emacs
questions1.2k
answers2k
answered90%
users2k
loading...
loading top users...

History of Science and Math

History of Science and Math
Q&A for people interested in the history and origins of science and mathematics
questions234
answers349
answered87%
users563
loading...
loading top users...

Economics

Economics
Q&A for professional and academic economists and analysts
questions261
answers417
answered84%
users501
loading...
loading top users...

Want to start your own Stack Exchange Q&A site? Check out Area 51. Our friendly robots are waiting.

sites feed