About Q&A
Q & A, generally meaning "Questions and answers". A Q&A web site that keeps a database of questions and answers that users can search and add to.
WeCenter
Developer: WeCenter.comClone/Category of : Q&A,Stack Overflow,Yahoo! Answers
License :Open SourceLanguage :PHP
WeCenter is a knowledge-based Q & A community social network script, focusing on community content collation, classification and retrieval. it also help content distribution by connecting the WeiXin platform and mobile applications.(Currently support Chinese only)
About Stack Overflow
A language-independent collaboratively edited question and answer site for programmers.
About Yahoo! Answers
Yahoo! Answers is a community-driven question-and-answer (Q&A) site or a knowledge market launched by Yahoo!
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