is a centralized online service that allows users to store and share social bookmarking website Internet bookmarks. Such a website typically offers a blend of social and organizational tools, such as annotation, categorization, folksonomy-based tagging, social cataloging and commenting. The website may also interface with other kinds of services, such as citation management software and social networking sites.
A system for sharing bookmarks and lists of literature.
A web service which allows users to save and share citations to academic papers.
A news aggregator with an editorially driven front page.
Designed to bookmark web pages and highlight key points for reference. Has both a free version and a premium version.
Collaborative bookmark exploration and curation tool organized and presented like a mind map.
A web and mobile application that offers visual discovery, collection, sharing, and storage of images.
Users submit content in the form of either a link or a text ("self") post. Links and content can be voted on.
A free online bookmarking manager. It is open source software, mainly funded by authors' donations.
We Heart It
An image-based social network for inspiring images.
A free social networking and micro-blogging service that allows users to send updates (known as plurks) through short messages or links, which can be up to 210 text characters in length (previously 140).
Defunct sites [ edit ]
a Delicious-like social bookmarking service, bought by Clipboard in 2012.
discontinued service on March 12, 2013.
The site was bought by Avos Systems on April 27, 2011 though was operated by Yahoo! until July 2011. On June 1, 2017, Delicious was acquired by  Pinboard, and the service will be discontinued. As of March 2018, the website is read-only.
as of January 2012, the service is no longer active.
web page clipping and archiving service, founded in 2003 and acquired by Diigo in 2009.
as of November 2005 - Internet Expert
StumbleUpon was a discovery engine that finds and recommends web content to its users. It has moved to Mix
Trackle offered a variety of information categories that users could keep tabs on and share like-interests with groups of users via Twitter, SMS and Email.
Twine existed from 2007 to 2010. (Now Shutdown)
Owned by NBC, Community-powered which host content from its users and syndicated content. Discontinued on October 1, 2017, redirected to NBCNEWS web page
Syncs bookmarks (folders & sub-folders) and profiles across different browsers and platforms. Includes sharing option and possibility to access bookmarks via web-based-interface. On May 1, 2018, Xmarks was discontinued after being acquired by LastPass.
See also [ edit ]
Notes and references [ edit ]