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 | Description/focus | Languages available | Copyrighting of user contributions | Registration required? |
|---|---|---|---|---|---|
| 3form | 1998 | Many topics | English | ||
| Answers.com | 2000 | Yes | |||
| Ask.fm | 2010 | Many topics | 38 languages | Yes | |
| Ask Me Help Desk | 2003 | Yes | |||
| Ask MetaFilter | 2003 | Many topics | English | All posts are copyright to their original authors.[1] | No to browse, yes to contribute |
| Askalo | August 3, 2010 | Topics for answer by local residents | 5 languages | No | |
| Askbot | 2009 | English and a few others | Yes | ||
| Avvo | 2006 | Legal and Medical | English | No | |
| Baidu Knows | Many topics | Chinese | |||
| BlikBook | 2010 | Academic | English | Yes | |
| Blurtit | 2006 | All topics | English | No to ask, yes to answer | |
| Brainly | 2009 | Homework Help | 12 languages | Contributed content owned by its author(s) | No to browse, yes to contribute |
| Brilliant.org | 2013 | mathematics, physics, computer science problems & discussion | English | User retains ownership; Brilliant can use, distribute, modify.[2] | Yes |
| ChaCha | 2006 | Many topics | English | Owned by ChaCha.[3] | |
| Chegg | 2005 | Academic | English | Owned by Chegg Inc.[4] | Yes |
| eNotes | 2005 | Academic | English | Owned by eNotes.com[5] | Yes |
| Experience Project | 2007 | Anonymous Q&A for life, relationships, health, how-tos, and riddles | English | Terms of use for Experience Project[6] | No to browse, yes to contribute |
| Experts-Exchange | 1996 | Information Technology | Yes | ||
| Fixya | 2005 | Consumer product related problems and solutions | English | Yes | |
| GirlsAskGuys | June 2007 | Love, sex and relationships | English | Yes | |
| Gutefrage.net | 2006 | German | Yes | ||
| Google Questions and Answers | Many topics | Russian, Chinese, English, French | |||
| HealthcareMagic | February 2008 | Health and Wellness | English | Yes | |
| HealthTap | 2011 | Health Information from U.S. Licensed Physicians | English | No | |
| Internet Oracle | 1989 | Humorous answers to almost anything | English | No | |
| Jelly | 2013 | Image-based Q&A app on all topics | English | ||
| Jobstr | 2011 | Jobs and careers | English | ||
| Knowledge Search | 2002 | Many topics | Korean | ||
| LinkedIn Answers | January 4, 2007 | ||||
| MadSci Network | 1995 | Science | English | ||
| Mahalo.com | May 30, 2007 | Many topics | English | ||
| ProfNet | 1992 | Connecting journalists with experts in specific fields | English | Yes | |
| Quora | 2009 | Many topics | English | Contributions owned by the author. Quora granted "worldwide, non-exclusive, royalty-free license" to content use, distribution, or modification.[7] | Yes |
| Sharecare | 2009 | Health and wellness | English | No | |
| Spring.me (formerly Formspring) | 2009 | All topics | English | Yes | |
| Stack Exchange | 2008 | English | Contributions owned by the author. Contributions "perpetually and irrevocably licensed to Stack Exchange under the Creative Commons Attribution Share Alike license".[8] | No to browse, yes to contribute | |
| The Experts Network | April 26, 2011 | English | No | ||
| The Straight Dope | 1973 (print) | Many topics | English | No | |
| Transtutors | 2007 | Academic | English | Owned and operated by Transweb Educational Services[9] | Yes |
| Uclue | February 28, 2007 | Many topics | English | Yes | |
| WikiAnswers | 2002 | Subsumed by Answers.com (one of several concurrent URLs) | |||
| English Wikipedia Reference Desk | 2001 | Many topics | English | CC-BY-SA 3.0 and GFDL dual license | No |
| Yahoo! Answers | July 5, 2005 | Many topics | 13 languages | Contributions owned by the author. Yahoo retains rights to the use, distribution or modification.[10] | No to browse, yes to contribute |
| Zhihu | January 26, 2011 | Many topics | Chinese and a few others | Owned and operated by the original authors. | No |
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 the ChaCha service". ChaCha.com. 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.
- ↑ "Statement of Rights and Responsibilities". Experience Project. 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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