I really do prefer to keep an air of mystery about myself. (Shhh... don't tell anyone).
Mathematics
Q&A for people studying math at any level and professionals in related fields
Stack Overflow
Q&A for professional and enthusiast programmers
MathOverflow
Q&A for professional mathematicians
Software Recommendations
Q&A for people seeking specific software recommendations
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Computer Science
Q&A for students, researchers and practitioners of computer science
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Mathematics Educators
Q&A for those involved in the field of teaching mathematics
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Server Fault
Q&A for system and network administrators