English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
English Language Learners
Q&A for speakers of other languages learning English
Seasoned Advice
Q&A for professional and amateur chefs
Stack Overflow
Q&A for professional and enthusiast programmers
Super User
Q&A for computer enthusiasts and power users
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
Area 51
Q&A for proposing new sites in the Stack Exchange network
Ask Different
Q&A for power users of Apple hardware and software
Server Fault
Q&A for system and network administrators
Arqade
Q&A for passionate videogamers on all platforms
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Photography
Q&A for professional, enthusiast and amateur photographers
Genealogy & Family History
Q&A for expert genealogists and people interested in genealogy or family history
Pets
Q&A for pet owners, caretakers, breeders, veterinarians, and trainers
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory