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The following is a list of websites that follow a question-and-answer format.[clarification needed] The list contains only websites for which an article exists, dedicated either wholly or at least partly to the websites.

Website Founded Closed Description/focus Languages available Copyrighting of user contributions Registration required? Price 2005 All topics English Free
Askbot 2009 N/A varies varies varies 2010 Social topics 49 languages Yes
Ask Me Help Desk 2003 Many topics English and a few others Yes Free
Ask MetaFilter 2003 Music English All posts are copyright to their original authors.[1] No to browse, yes to contribute
Avvo 2006 Legal English Yes
Baidu Knows 2005 Many topics Chinese No to browse, yes to contribute
BlikBook 2010 N/A Local academic English Yes
Blurtit 2006 All topics English Yes
Borum 2019 - All topics English No No to browse, yes to contribute
Brainly 2009 Academic 12 languages Contributed content owned by its author(s) No to browse, yes to contribute 2013 Science, technology, math English User retains ownership; Brilliant can use, distribute, modify.[2] Yes/Paid[3] ₹23,900 for life time use
ChaCha 2006 2016 Many topics English Owned by ChaCha.[4] N/A
Chegg 2005 Academic English Owned by Chegg Inc.[5] Yes / paid
eNotes 2005 Academic English Owned by[6] Yes / paid 14.99/month
Experience Project 2007 2016 Social topics English Terms of use for Experience Project[7] anonymous
Experts-Exchange 1996 Information technology Yes / paid
Fixya 2005 Consumer products English Yes
Google Answers 2002 2006 English Yes
Google Questions and Answers 2007 2014 Many topics Russian, Chinese, English, French N/A 2006 German Yes Free
HealthTap 2011 Health information English No
Internet Oracle 1989 All topics (humorous) English No
Jelly 2013 2017 All topics English
Knowledge Search 2002 Many topics Korean
LinkedIn Answers 2007 2013 Business Yes
MadSci Network 1995 Science English 2007 2014 Many topics English N/A
Ответы@Mail.Ru 2006 Russian
ProfNet 1992 Journalists English Yes
Quora 2009 Many topics 22 languages Contributions owned by the author. Quora granted "worldwide, non-exclusive, royalty-free license" to content use, distribution, or modification.[8] Yes, except to view single answers
r/AskHistorians 2012 History English No to browse, yes to contribute
Sharecare 2009 Health and wellness English No (formerly Formspring) 2009 2015 All topics English Yes
Stack Exchange 2008 Many topics English (Q&A about other languages takes place in those languages as well as English) Contributions owned by the author. Contributions "perpetually and irrevocably licensed to Stack Exchange under the Creative Commons Attribution Share Alike license".[9] No to browse and answer, yes to ask and contribute fully. Some topics allow asking as a guest.
Stack Overflow 2008 Software development English, Spanish, Russian, Portuguese, and Japanese No to browse and answer, yes to ask and contribute fully
The Straight Dope 1973 (print) Many topics English No
Transtutors 2007 Academic English Owned and operated by Transweb Educational Services[10] Yes / paid
English Wikipedia Reference Desk 2004 Many topics English CC-BY-SA 3.0 and GFDL dual license No
Yahoo! Answers 2005 All topics 13 languages Contributions owned by the author. Yahoo retains rights to the use, distribution or modification.[11] No
Zhihu 2011 Many topics Chinese and a few others Owned and operated by the original authors. No
WikiAnswers 2002 2018 Many topics Subsumed by (one of several concurrent URLs)
TXN (The Experts Network) 2011 ? Sports English No
Uclue 2007 2017 Many topics English Yes
3form 1998 2016 Many topics English N/A N/A

See alsoEdit


  1. ^ Haughey, Matt. "FAQ: Who owns the copyright on MetaFilter content?". MetaFilter. Retrieved 20 May 2014.
  2. ^ "Terms of use of". Retrieved 8 October 2014.
  3. ^
  4. ^ "Terms of use of the ChaCha service". Retrieved 3 January 2016.
  5. ^ "Terms of use of". Chegg. Retrieved 3 January 2016.
  6. ^ "Terms of use of". eNotes. Retrieved 3 January 2016.
  7. ^ "Statement of Rights and Responsibilities". Experience Project. Retrieved 5 August 2015.
  8. ^ "Terms of use of the Quora service". Quora. Retrieved 3 January 2016.
  9. ^ "Terms of Service — Stack Exchange". Stack Exchange. Retrieved 3 January 2016.
  10. ^ "Terms & Conditions of". Transtutors. Retrieved 9 January 2014.
  11. ^ "Terms of use of the Yahoo Answer service". Yahoo. Retrieved 3 January 2016.