What is meta?
- Any Stack Exchange user can ask a question
- The community provides support, votes on ideas, and reports bugs
- Your voice helps shape the way Stack Exchange operates
You can read about all of the tools we use to build Stack Overflow in Stack Overflow Architecture Update - Now at 95 Million Page Views a Month (published 2011-03-03).
We are looking at making some changes to our build, but the details have not been worked out yet.