Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Biblical Hermeneutics
Q&A for professors, theologians, and those interested in exegetical analysis of biblical texts
The Workplace
Q&A for members of the workforce navigating the professional setting
Ask Different
Q&A for power users of Apple hardware and software
Physics
Q&A for active researchers, academics and students of physics
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Server Fault
Q&A for professional system and network administrators
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Game Development
Q&A for professional and independent game developers
User Experience
Q&A for user experience researchers and experts
Islam
Q&A for Muslims, experts in Islam, and those interested in learning more about Islam
Personal Productivity
Q&A for people wanting to improve their personal productivity
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Personal Finance & Money
Q&A for people who want to be financially literate