Comparison of Q&A sites

Question and answerQuestion-and-answer sitequestion-and-answer websitequestion and answer siteQ&A siteQ&A websiteQuestion and answer sitesquestion-and-answer (Q&A) websiteList of Question and Answer WebsitesList of question-and-answer websites
The following is a list of websites that follow a question-and-answer format.wikipedia
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Fixya

Fixya is a question-and-answer website where community members ask and answer questions about consumer products.

Quora

Kelly BattlesYou Arts
Quora is an American question-and-answer website where questions are asked, answered, and edited by Internet users, either factually or in the form of opinions.

Stack Exchange

Stack Exchange NetworkStackExchangeServer Fault
Stack Exchange is a network of question-and-answer (Q&A) websites on topics in diverse fields, each site covering a specific topic, where questions, answers, and users are subject to a reputation award process.

Stack Overflow

StackOverflow
It was created to be a more open alternative to earlier question and answer sites such as Experts-Exchange.

Yahoo! Answers

Yahoo AnswersYahoo AnswerYahoo!
Answers''' is a community-driven question-and-answer (Q&A) website or a knowledge market from Yahoo!, that allows users to both submit questions to be answered and answer questions asked by other users.

Gutefrage.net

Gutefrage.net is a German question and answer website that was founded in July 2006.

Zhihu

Zhihu is a Chinese question-and-answer website where questions are created, answered, edited and organized by the community of its users.

Transweb

TranstutorsTransweb Educational Services

Internet Oracle

Usenet OracleOraclerec.humor.oracle
The Internet Oracle has spawned a sub-breed of question-answer website exemplified by the Conversatron, and the now defunct Forum 2000, Forum3000 and TrueMeaningOfLife.com, among many others.

Knowledge market

question and answerproviding technical/professional Q&A supportQ&A
Two months later, fifty former Google Answers Researchers launched paid research/Q&A site Uclue.

Comparison of Internet forum software

forum softwarecomparable to other forum softwareexisting forum software

Q&A software

[8] Q&A ForumsQ&A webpages
The following is a list of websites that follow a question-and-answer format.