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.
For the humor "Q&A site" format first popularized by Forum 2000 and The Conversatron, see Q&A comedy website.
| Website | Founded | Closed | Description/focus | Languages available | Copyrighting of user contributions | Registration required? | Price |
|---|---|---|---|---|---|---|---|
| Answers.com | 2005 | — | All topics | English | Free | ||
| Ask.fm | 2010 | — | Social topics | 49 languages | Yes | ||
| Askbot | 2009 | N/A | varies | varies | varies | ||
| Ask MetaFilter | 2003 | — | Many topics | 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 | ||
| 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/Paid[3] | $599.99 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 eNotes.com[6] | Yes / paid | $14.99/month; $49.99/year[7] |
| Experience Project | 2007 | 2016 | Social topics | English | Terms of use for Experience Project[8] | 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 | ||
| Gutefrage.net | 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 IN | 2002 | — | Many topics | Korean | |||
| LinkedIn Answers | 2007 | 2013 | Business | Yes | |||
| MadSci Network | 1995 | — | Science | English | |||
| Mahalo.com | 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.[9] | Yes, except to view single answers | Free |
| 2005 | — | All topics | Depends on subreddit | No to browse, yes to contribute | |||
| Sharecare | 2009 | — | Health and wellness | English | No | ||
| Spring.me (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".[10] | No to browse and answer, yes to ask and contribute fully. Some topics allow asking as a guest. | |
| The Straight Dope | 1973 (print) | 2018 | Many topics | English | No | ||
| Transtutors | 2007 | — | Academic | English | Owned and operated by Transweb Educational Services[11] | Yes / paid | |
| TXN (The Experts Network) | 2011 | ? | Sports | English | No | ||
| Uclue | 2007 | 2017 | Many topics | English | Yes | ||
| WikiAnswers | 2002 | 2018 | Many topics | Subsumed by Answers.com (one of several concurrent URLs) | |||
| English Wikipedia Reference Desk | 2004 | — | Many topics | English | CC-BY-SA 3.0 and GFDL dual license | No | |
| Yahoo! Answers | 2005 | 2021 | All topics | 13 languages | Contributions owned by the author. Yahoo retains rights to the use, distribution or modification.[12] | No | |
| Zhihu | 2011 | — | Many topics | Chinese and a few others | Owned and operated by the original authors. | Yes, except to view answers of questions when directed from search engine |
See also
- Comparison of civic technology platforms
- Comparison of Internet forum software
- Educational Technology
- 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.
- ↑ "Brilliant Premium | Brilliant".
- ↑ "Terms of use of the ChaCha service". ChaCha.com. Archived from the original on 14 November 2015. Retrieved 3 January 2016.
- ↑ "Terms of use of Chegg.com". Chegg. Retrieved 3 January 2016.
- ↑ "Terms of use of eNotes.com". eNotes. Retrieved 3 January 2016.
- ↑ https://www.enotes.com/jax/index.php/checkout/trial 31 January 2020
- ↑ "Statement of Rights and Responsibilities". Experience Project. Archived from the original on 13 August 2015. Retrieved 5 August 2015.
- ↑ "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.
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