Liferay collabor ation and social networ king software

Liferay collaboration and social networking software take advantage of the benefits of today's virtualized work environment. The portal ties all of the collaboration functions together with the latest social networking features for a truly dynamic work experience. By using this, you share what you know. It has the following features:

• Blogs, Wikis, mail, calendar, enterprise Instant Message (IM), RSS, and more.
• Micro-format support—calendar and user information can be transferred via Web 2.0 standards. Data in micro formats (hCard, hCalendar, and so on) can be easily used by and integrated with third-party applications.
• Dynamic tagging—tagging web content, documents, message board threads, and more, to dynamically share important or interesting content with other portal users.
• Activity tracking—keeping tabs on the most recent activity on blogs,
  message boards, Wiki, and other tools.
• Announcements and alerts—broadcasting messages to different groups
  of users.
• Social networking services.
• Capability to build My Social Office.
• Polls—creating multiple choice polls and keeping track of votes.
  WSRP 2.0 consumer/producer and full 1.0/2.0 specification support.
  Integration with Terracotta DSO: setting up large and clustering environments.