for unless what we do is useful, the glory of it is vain
For those that were wondering my picture is from the painting
Wanderer above the Sea of Fog by Caspar David Friedrich (1818). ↯
Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Home Improvement
Q&A for contractors and serious DIYers
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
User Experience
Q&A for user experience researchers and experts
Server Fault
Q&A for system and network administrators
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Ask Ubuntu
Q&A for Ubuntu users and developers
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Information Security
Q&A for information security professionals
English Language Learners
Q&A for speakers of other languages learning English
Area 51
Q&A for proposing new sites in the Stack Exchange network
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Physics
Q&A for active researchers, academics and students of physics
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
Computer Science
Q&A for students, researchers and practitioners of computer science
Code Review
Q&A for peer programmer code reviews
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Academia
Q&A for academics and those enrolled in higher education
Ask Different
Q&A for power users of Apple hardware and software
Mathematics
Q&A for people studying math at any level and professionals in related fields
Open Source
Q&A for people organizing, marketing or licensing open source development projects
History
Q&A for historians and history buffs
Salesforce
Q&A for Salesforce administrators, implementation experts, developers and anybody in-between
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
German Language
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Computer Science Educators
Q&A for those involved in the field of teaching Computer Science
Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Mathematics Educators
Q&A for those involved in the field of teaching mathematics
Video Production
Q&A for engineers, producers, editors and enthusiasts spanning the fields of video and media creation
Amateur Radio
Q&A for amateur radio enthusiasts
Software Recommendations
Q&A for people seeking specific software recommendations
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Sports
Q&A for participants in team and individual sport activities
Mathematica
Q&A for users of Wolfram Mathematica
Spanish Language
Q&A for linguists, teachers, students and Spanish language enthusiasts in general wanting to discuss the finer points of the language
Ethereum
Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain
Skeptics
Q&A for scientific skepticism
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
Esperanto Language
Q&A for teachers and students of the Esperanto language
Chess
Q&A for serious players and enthusiasts of chess
Bricks
Q&A for LEGO® and building block enthusiasts
Martial Arts
Q&A for students and teachers of all martial arts
Latin Language
Q&A for linguists, teachers, and students wanting to discuss the finer points of the Latin language
Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Emacs
Q&A for those using, extending or developing Emacs
Operations Research
Q&A for operations research and analytics professionals, educators, and students
French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Iota
Q&A for users of Iota, the open-source cryptocurrency for IoT that does not use a blockchain
Chinese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
History of Science and Mathematics
Q&A for people interested in the history and origins of science and mathematics
Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
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
Earth Science
Q&A for those interested in the geology, meteorology, oceanography, and environmental sciences
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Literature
Q&A for scholars and enthusiasts of literature
Personal Finance & Money
Q&A for people who want to be financially literate
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Seasoned Advice
Q&A for professional and amateur chefs
Puzzling
Q&A for those who create, solve, and study puzzles
Gardening & Landscaping
Q&A for gardeners and landscapers
Law
Q&A for legal professionals, students, and others with experience or interest in law
Network Engineering
Q&A for network engineers
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Biology
Q&A for biology researchers, academics, and students
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
MathOverflow
Q&A for professional mathematicians
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Psychology & Neuroscience
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Web Applications
Q&A for power users of web applications
Photography
Q&A for professional, enthusiast and amateur photographers
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Movies & TV
Q&A for movie and TV enthusiasts
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Game Development
Q&A for professional and independent game developers
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Politics
Q&A for people interested in governments, policies, and political processes
Arqade
Q&A for passionate videogamers on all platforms
Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
Anime & Manga
Q&A for anime and manga fans
Travel
Q&A for road warriors and seasoned travelers
Matter Modeling
Q&A for materials modelers and data scientists
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Astronomy
Q&A for astronomers and astrophysicists
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
The Workplace
Q&A for members of the workforce navigating the professional setting
Engineering
Q&A for professionals and students of engineering
Woodworking
Q&A for professional and amateur woodworkers
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Ask Patents
Q&A for people interested in improving the patent system
Interpersonal Skills
Q&A for people looking to improve their interpersonal communication skills
elementary OS
Q&A for developers and users of elementary OS and applications
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