I am a geek, who likes Linux, and stays away from Windows. I work in computers, networking and such, all on Linux machines. Windows is barely a dumb terminal to my Linux servers.
Ask Ubuntu
Q&A for Ubuntu users and developers
Super User
Q&A for computer enthusiasts and power users
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Stack Overflow
Q&A for professional and enthusiast programmers
Ask Different
Q&A for power users of Apple hardware and software
Server Fault
Q&A for system and network administrators
WordPress Development
Q&A for WordPress developers and administrators
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Area 51
Q&A for proposing new sites in the Stack Exchange network
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
French Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi