List of social software

This is a list of notable social software: selected examples of social software products and services that facilitate a variety of forms of social human contact.

Blogs

 * Apache Roller
 * Blogger
 * IBM Lotus Connections
 * Posterous
 * Telligent Community
 * Tumblr
 * Typepad
 * WordPress
 * Xanga

Clipping

 * Diigo
 * Evernote

Instant messaging

 * Comparison of instant messaging clients
 * IBM Lotus Sametime
 * Live Communications Server 2003
 * Live Communications Server 2005
 * Microsoft Lync Server

Internet forums

 * Comparison of Internet forum software

Internet Relay Chat (IRC)

 * Internet Relay Chat

Media sharing

 * blip.tv
 * Dailymotion
 * Flickr
 * Ipernity
 * Metacafe
 * Putfile
 * SmugMug
 * Tangle
 * Vimeo
 * YouTube
 * Zooomr
 * IBM Lotus Connections

Web widgets

 * AddThis
 * AddToAny
 * ShareThis
 * Social bookmark link generator

Enterprise software

 * Altova MetaTeam
 * IBM Lotus Connections
 * Jumper 2.0 Enterprise

Social cataloging

 * aNobii
 * Goodreads
 * Knowledge Plaza
 * Librarything
 * Readgeek
 * Shelfari
 * KartMe

Social citations

 * BibSonomy
 * CiteULike
 * Connotea
 * Jumper 2.0 Enterprise
 * Knowledge Plaza
 * Mendeley
 * refbase
 * Zotero

Social evolutionary computation

 * Knowledge iN
 * Quora
 * Yahoo! Answers

Social search

 * Jumper 2.0
 * Knowledge Plaza

Virtual worlds

 * Active Worlds
 * Google Lively (now defunct)
 * Kaneva
 * Second Life
 * There
 * Meez