Been messing around with computers since the early 90's. Picked up a few things along the way.
On the desktop, I'm familiar with Mac OS and Windows as well as a bit of dabbling in Linux.
Super User
Q&A for computer enthusiasts and power users
Engineering
Q&A for professionals and students of engineering
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Personal Finance & Money
Q&A for people who want to be financially literate
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Stack Overflow
Q&A for professional and enthusiast programmers
Ask Different
Q&A for power users of Apple hardware and software
Sound Design
Q&A for sound engineers, producers, editors, and enthusiasts
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
The Workplace
Q&A for members of the workforce navigating the professional setting
WordPress Development
Q&A for WordPress developers and administrators
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts