Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Personal Finance & Money
Q&A for people who want to be financially literate
Server Fault
Q&A for professional system and network administrators
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Spanish Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Spanish language
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
