Comparison of Q&A sites
The following is a list of websites that follow a question-and-answer format. 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 | |
|---|---|---|---|---|---|---|---|---|
| Answers.com | 2005 | - | All topics | English | Yes | |||
| Ask.fm | 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 | |||
| Blurtit | 2006 | - | All topics | English | Yes | |||
| Brainly | 2009 | - | Academic | 12 languages | Contributed content owned by its author(s) | No to browse, yes to contribute | ||
| Brilliant.org | 2013 | - | Science, technology, math | English | User retains ownership; Brilliant can use, distribute, modify.[2] | Yes | ||
| Chegg | 2005 | - | Academic | English | Owned by Chegg Inc.[3] | Yes / paid | ||
| eNotes | 2005 | - | Academic | English | Owned by eNotes.com[4] | Yes / paid | 14.99/month | |
| Experts-Exchange | 1996 | - | Information techonology | Yes / paid | ||||
| Fixya | 2005 | - | Consumer products | English | Yes | |||
| GirlsAskGuys | 2007 | - | Social topics | English | Yes | |||
| Google Answers | 2002 | 2006 | English | Yes | ||||
| Gutefrage.net | 2006 | - | German | Yes | ||||
| HealthTap | 2011 | - | Health information | English | No | |||
| Internet Oracle | 1989 | - | All topics (humorous) | English | No | |||
| Jobstr | 2011 | - | Business | English | ||||
| Knowledge Search | 2002 | - | Many topics | Korean | ||||
| MadSci Network | 1995 | - | Science | English | ||||
| Ответы@Mail.Ru | 2006 | - | Russian | |||||
| ProfNet | 1992 | - | Journalists | English | Yes | |||
| Quora | 2009 | - | Many topics | 9 languages | Contributions owned by the author. Quora granted "worldwide, non-exclusive, royalty-free license" to content use, distribution, or modification.[5] | Yes, except to view single answers | ||
| r/AskHistorians | 2012 | - | History | English | No to browse, yes to contribute | |||
| Sharecare | 2009 | - | Health and wellness | English | No | |||
| Stack Exchange | 2008 | - | Many topics | English | Contributions owned by the author. Contributions "perpetually and irrevocably licensed to Stack Exchange under the Creative Commons Attribution Share Alike license".[6] | No to browse, yes to contribute | ||
| Stack Overflow | 2008 | - | Software development | English | No to browse, yes to contribute | |||
| The Straight Dope | 1973 (print) | - | Many topics | English | No | |||
| Transtutors | 2007 | - | Academic | English | Owned and operated by Transweb Educational Services[7] | 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.[8] | No | ||
| Zhihu | 2011 | - | Many topics | Chinese and a few others | Owned and operated by the original authors. | No | ||
| Askbot | 2009 | N/A | varies | varies | varies | |||
| BlikBook | 2010 | N/A | Local academic | English | Yes | |||
| WikiAnswers | 2002 | 2018 | Many topics | Subsumed by Answers.com (one of several concurrent URLs) | ||||
| 3form | 1998 | 2016 | Many topics | English | na | na | ||
| ChaCha | 2006 | 2016 | Many topics | English | Owned by ChaCha.[9] | na | ||
| Experience Project | 2007 | 2016 | Social topics | English | Terms of use for Experience Project[10] | anonymous | ||
| Google Questions and Answers | 2007 | 2014 | Many topics | Russian, Chinese, English, French | na | |||
| Jelly | 2013 | 2017 | All topics | English | ||||
| LinkedIn Answers | 2007 | 2013 | Business | Yes | ||||
| Mahalo.com | 2007 | 2014 | Many topics | English | na | |||
| Spring.me (formerly Formspring) | 2009 | 2015 | All topics | English | Yes | |||
| TXN (The Experts Network) | 2011 | ? | Sports | English | No | |||
| Uclue | 2007 | ? | Many topics | English | Yes | |||
See also
- List of Internet forums
- Knowledge market
- Q&A software – includes a comparison of self-hostable Q&A software
References
- ↑ Haughey, Matt. "FAQ: Who owns the copyright on MetaFilter content?". MetaFilter. Retrieved 20 May 2014.
- ↑ "Terms of use of Brilliant.org". Brilliant.org. Retrieved 8 October 2014.
- ↑ "Terms of use of Chegg.com". Chegg. Retrieved 3 January 2016.
- ↑ "Terms of use of eNotes.com". eNotes. Retrieved 3 January 2016.
- ↑ "Terms of use of the Quora service". Quora. Retrieved 3 January 2016.
- ↑ "Terms of Service - Stack Exchange". Stack Exchange. Retrieved 3 January 2016.
- ↑ "Terms & Conditions of Transtutors.com". Transtutors. Retrieved 9 January 2014.
- ↑ "Terms of use of the Yahoo Answer service". Yahoo. Retrieved 3 January 2016.
- ↑ "Terms of use of the ChaCha service". ChaCha.com. Retrieved 3 January 2016.
- ↑ "Statement of Rights and Responsibilities". Experience Project. Retrieved 5 August 2015.
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