Choose a site and time interval below to see top users by week, month, quarter, or year
Type to find sites:
Stack Overflow

Stack Overflow

Q&A for professional and enthusiast programmers

Super User

Super User

Q&A for computer enthusiasts and power users

Mathematics

Mathematics

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

Server Fault

Server Fault

Q&A for system and network administrators

English Language & Usage

English Language & Usage

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

Unix & Linux

Unix & Linux

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

Arqade

Arqade

Q&A for passionate videogamers on all platforms

Ask Different

Ask Different

Q&A for power users of Apple hardware and software

Programmers

Programmers

Q&A for professional programmers interested in conceptual questions about software development

TeX - LaTeX

TeX - LaTeX

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

Android Enthusiasts

Android Enthusiasts

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

Meta Stack Exchange

Meta Stack Exchange

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

Electrical Engineering

Electrical Engineering

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

Database Administrators

Database Administrators

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

Physics

Physics

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

Cross Validated

Cross Validated

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

WordPress Development

WordPress Development

Q&A for WordPress developers and administrators

Geographic Information Systems

Geographic Information Systems

Q&A for cartographers, geographers and GIS professionals

Science Fiction & Fantasy

Science Fiction & Fantasy

Q&A for science fiction and fantasy enthusiasts

Graphic Design

Graphic Design

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

Game Development

Game Development

Q&A for professional and independent game developers

Drupal Answers

Drupal Answers

Q&A for Drupal developers and administrators

English Language Learners

English Language Learners

Q&A for speakers of other languages learning English

User Experience

User Experience

Q&A for user experience researchers and experts

Stack Overflow em Português

Stack Overflow em Português

Q&A for programadores profissionais e entusiastas

Magento

Magento

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

Travel

Travel

Q&A for road warriors and seasoned travelers

Salesforce

Salesforce

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

The Workplace

The Workplace

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

Academia

Academia

Q&A for academics and those enrolled in higher education

Photography

Photography

Q&A for professional, enthusiast and amateur photographers

Personal Finance & Money

Personal Finance & Money

Q&A for people who want to be financially literate

Raspberry Pi

Raspberry Pi

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

Motor Vehicle Maintenance & Repair

Motor Vehicle Maintenance & Repair

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

Role-playing Games

Role-playing Games

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

Programming Puzzles & Code Golf

Programming Puzzles & Code Golf

Q&A for programming puzzle enthusiasts and code golfers

Computer Science

Computer Science

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

Bicycles

Bicycles

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

Chemistry

Chemistry

Q&A for scientists, academics, teachers and students

Blender

Blender

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

Русский язык

Русский язык

Q&A for лингвистов, этимологов, и энтузиастов русского языка

Bitcoin

Bitcoin

Q&A for Bitcoin crypto-currency enthusiasts

Christianity

Christianity

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

Biology

Biology

Q&A for biology researchers, academics, and students

Cryptography

Cryptography

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

Parenting

Parenting

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

Worldbuilding

Worldbuilding

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

Puzzling

Puzzling

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

Islam

Islam

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

Theoretical Computer Science

Theoretical Computer Science

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

Mi Yodeya

Mi Yodeya

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

Aviation

Aviation

Q&A for aircraft pilots, mechanics, and enthusiasts

Physical Fitness

Physical Fitness

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

German Language

German Language

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

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

Arduino

Arduino

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

Software Quality Assurance & Testing

Software Quality Assurance & Testing

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

Signal Processing

Signal Processing

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

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

Software Recommendations

Software Recommendations

Q&A for people seeking specific software recommendations

Japanese Language

Japanese Language

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

Philosophy

Philosophy

Q&A for those interested in logical reasoning

Stack Apps

Stack Apps

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

History

History

Q&A for historians and history buffs

Writers

Writers

Q&A for authors, editors, reviewers, professional writers, and aspiring writers

Quantitative Finance

Quantitative Finance

Q&A for finance professionals and academics

Sound Design

Sound Design

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

Lifehacks

Lifehacks

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

French Language

French Language

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

Computational Science

Computational Science

Q&A for scientists using computers to solve scientific problems

Data Science

Data Science

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

Space Exploration

Space Exploration

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

Pets

Pets

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

Spanish Language

Spanish Language

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

Personal Productivity

Personal Productivity

Q&A for people wanting to improve their personal productivity

Windows Phone

Windows Phone

Q&A for enthusiasts and power users of Windows Phone OS

Biblical Hermeneutics

Biblical Hermeneutics

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

Video Production

Video Production

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

ExpressionEngine® Answers

ExpressionEngine® Answers

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

Homebrewing

Homebrewing

Q&A for dedicated home brewers and serious enthusiasts

The Great Outdoors

The Great Outdoors

Q&A for people who love outdoor activities, excursions, and outdoorsmanship

Emacs

Emacs

Q&A for those using, extending or developing Emacs

Stack Overflow en español

Stack Overflow en español

Q&A for programadores y profesionales de la informática

Sports

Sports

Q&A for participants in team and individual sport activities

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

Chinese Language

Chinese Language

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

Cognitive Sciences

Cognitive Sciences

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

Chess

Chess

Q&A for serious players and enthusiasts of chess

Astronomy

Astronomy

Q&A for astronomers and astrophysicists

Linguistics

Linguistics

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

Robotics

Robotics

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

Open Data

Open Data

Q&A for developers and researchers interested in open data

Ask Patents

Ask Patents

Q&A for people interested in improving and participating in the patent system

Tor

Tor

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

Hinduism

Hinduism

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

Vi and Vim

Vi and Vim

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

Politics

Politics

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

Craft CMS

Craft CMS

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

Freelancing

Freelancing

Q&A for self-employed and freelance workers

Startups

Startups

Q&A for entrepreneurs faced with delivering a new product or service under conditions of significant uncertainty

Engineering

Engineering

Q&A for professionals and students of engineering

Joomla

Joomla

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

Buddhism

Buddhism

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

Law

Law

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

Russian Language

Russian Language

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

Economics

Economics

Q&A for professional and academic economists and analysts

Ethereum

Ethereum

Q&A for users of Ethereum, the crypto value and blockchain-based consensus network

Expatriates

Expatriates

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

LEGO® Answers

LEGO® Answers

Q&A for LEGO® and building block enthusiasts

Tridion

Tridion

Q&A for Tridion developers and administrators

Earth Science

Earth Science

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

elementary OS

elementary OS

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

Mathematics Educators

Mathematics Educators

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

Martial Arts

Martial Arts

Q&A for students and teachers of all martial arts

CiviCRM

CiviCRM

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

Health

Health

Q&A for medical specialists, students, dietitians, and anyone with health-related questions

Woodworking

Woodworking

Q&A for professional and amateur woodworkers

Ebooks

Ebooks

Q&A for ebook publishers and readers

Beer, Wine & Spirits

Beer, Wine & Spirits

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

Open Source

Open Source

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

Genealogy & Family History

Genealogy & Family History

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

Sustainable Living

Sustainable Living

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

Italian Language

Italian Language

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

Poker

Poker

Q&A for serious players and enthusiasts of poker

History of Science and Mathematics

History of Science and Mathematics

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

Coffee

Coffee

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

Music Fans

Music Fans

Q&A for music historians, critics, and fans

Hardware Recommendations

Hardware Recommendations

Q&A for people seeking specific hardware recommendations

Portuguese Language

Portuguese Language

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

Computer Graphics

Computer Graphics

Q&A for computer graphics researchers and programmers

Mythology

Mythology

Q&A for enthusiasts and scholars of mythology

Community Building

Community Building

Q&A for community managers, administrators, and moderators

Retrocomputing

Retrocomputing

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

Latin Language

Latin Language

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

Language Learning

Language Learning

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