Question and answer system

Not to be confused with Q&A (Symantec).

A question and answer system (Q&A system) is an online software program that attempts to answer its users' questions. Q&A software is frequently integrated by large and specialist corporations and primarily used as a community that enables users in related fields to exchange questions and respond to both general and specialized questions.

There are numerous examples of Q&A software in both open source and SaaS formats, including Qhub, OSQA, Question2Answer, and Stack Exchange. Communities such as Quora or Stack Exchange are closed source Q&A sites.

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