Prompt ASP.NET Q&A engine

Question

.NET

Prompt a good question-answer engine on asp.net. Something like stackoverflow.com.

Answer 1

Write a little more in detail ...
Because something similar to stackoverflow, this is an unrealistically cool thing
. What specific functionality is needed or what it will be used for
?

Answer 2

Required functionality:
1) Questions
2) Answers
3) User profiles
4) Karma
5) Search
It seems to be everything.

Answer 3

This question should be asked on stackoverflow. However, it has already been asked meta.stackoverflow.com/questions/2267/stack-overflow-clones

Answer 4

ayende.com/blog/115713/ravenoverflow-building-a-stackoverflow-clone-with-ravendb