Social bookmarking websites provide the users a system to save, organize and search bookmarks of Web pages they are personally interested in with access from everywhere. Most pages organize their bookmarks in different categories as well as by tags and rankings added by the users. In order to fall under the business model definition, the bookmarks need to be shared publicly, i.e. viewable by anyone. Additional configurations which allow to only share with friends or keep certain bookmarks private are permitted as long as public sharing is given. As the focus of the Web page needs to be on social bookmarking, general sites, which also offer other services (such as Yahoo!MyWeb or social communities), do not fulfill the required criteria. Furthermore, neither meta-bookmarking sites nor bookmark manager programs (i.e. tools to download) are included in the definition. Web pages specialized on certain topics (e.g. social news portals) are excluded form the business model definition.
| Rank | Company Name | Founders | Online Since | Country | Comments |
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| 1 |
backflip.com |
Tim Hickman and Chris Misner | 1999-12-21 |
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| 2 |
bookmarksync.com (syncit.com) |
Secure Data Systems | 2001-08-19 |
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| 3 |
furl.net |
Mike Giles | 2003-03-01 |
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| 4 |
Netvouz |
Henrik Sjostrand | 2003-08-01 |
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| 5 |
linkroll.com |
2003-11-01 |
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| 6 |
sync2it.com |
2003-11-01 |
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| 7 |
del.icio.us |
Joshua Schachter | 2003-12-01 |
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| 8 |
feedmelinks.com |
John Manoogian III | 2004-01-01 |
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| 9 |
rawsugar.com |
Ofer-Ben-Shachar | 2004-02-01 |
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| 10 |
linkarena.com |
Dieter Stratmann | 2004-05-01 |
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| 11 |
online-bookmarks.com |
2004-05-01 |
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| 12 |
simpy.com |
Otis Gospodnetic | 2004-05-01 |
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| 13 |
feedmarker.com |
Bruno Bornsztein | 2004-10-01 |
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| 14 |
faves.com |
Mohit Srivastava, Sumit Sen | 2004-10-14 |
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| 15 |
Digg.com |
Kevin Rose | 2004-11-01 |
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| 16 |
unalog.com |
2004-11-01 |
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| 17 |
blinklist.com |
Mindvalley Labs (Visken Lakhiani & Michael Reining) | 2005-04-01 |
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| 18 |
shoutwire.com |
Justin Bunnell | 2005-10-01 |
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| 19 |
bibsonomy.org |
Knowledge & Data Engineering Group of the University Kassel | 2005-11-01 |
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| 20 |
diigo.com |
2005-11-01 |
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| 21 |
listible.com |
2006-01-01 |
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| 22 |
i89.us |
2006-02-01 |
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| 23 |
yigg.de |
Enrico Kern | 2006-02-20 |
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| 24 |
mister-wong.de |
Kai Tietjen, Tobias Ihde | 2006-03-01 |
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| 25 |
folkd.com |
Bastian Karweg | 2006-05-13 |
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| 26 |
wirefan.com |
2006-06-01 |
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| 27 |
ma.gnolia.com |
Larry Halff | 2006-06-13 |
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| 28 |
trailfire.com |
John O'Halloran and Pat Ferrel | 2006-07-01 |
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| 29 |
tagtooga.com |
Matt Fausey | 2008-07-14 |
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