been using Linux since 2005. Ubuntu since whenever edgy eft was new. Lucid Lynx Ubuntu was the best Ubuntu I have ever used.
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Arqade
Q&A for passionate videogamers on all platforms
Information Security
Q&A for information security professionals
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Retrocomputing
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Physics
Q&A for active researchers, academics and students of physics
Chemistry
Q&A for scientists, academics, teachers, and students in the field of chemistry
Law
Q&A for legal professionals, students, and others with experience or interest in law
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Area 51
Q&A for proposing new sites in the Stack Exchange network
Mathematics
Q&A for people studying math at any level and professionals in related fields
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Home Improvement
Q&A for contractors and serious DIYers
Web Applications
Q&A for power users of web applications
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Ask Different
Q&A for power users of Apple hardware and software
Hardware Recommendations
Q&A for people seeking specific hardware recommendations
3D Printing
Q&A for 3D printing enthusiasts
Coffee
Q&A for people interested in all aspects of producing and consuming coffee
Engineering
Q&A for professionals and students of engineering
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Arts & Crafts
Q&A for artists and crafters
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Seasoned Advice
Q&A for professional and amateur chefs
Matter Modeling
Q&A for materials modelers and data scientists
Biology
Q&A for biology researchers, academics, and students
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Gardening & Landscaping
Q&A for gardeners and landscapers
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Photography
Q&A for professional, enthusiast and amateur photographers
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Software Recommendations
Q&A for people seeking specific software recommendations
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Ebooks
Q&A for ebook publishers and readers
Game Development
Q&A for professional and independent game developers
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation