Liferay Portal is a popular open source enterprise portal framework written in Java and Web 2.0 technologies. Liferay Portal is offering integrated Web Publishing and Content Management and you no need to be a great programmer to administrate this wonderful framework. Liferay is available with application server such as Apache Tomcat (default), Glassfish, Jboss, etc.
Liferay Portal has some wonderful features like Simplified UI Development, Flexible Enterprise Integration Framework, Secure Single Sign On (SSO), User Personalization, Role Based Content Delivery, Single Click Configuration, Workflow Framework, User-Driven Workflow & Approval, Auditing & Performance Monitoring, Communities & Organization, Multi Language Support, etc. With Liferay CMS you can easily create and manage web pages and website and easily you can publish the site. Liferay CMS has features like easy web publishing, multiple file uploads, One-click-page creation, Dynamic tagging, Document and Image Library, Web Content Structures and Templates, Rich Text Editor, SEO, Dynamic virtual hosting, Workspace publishing, etc. The other important features are Message Boards, Instant Message, Email, Blogs, RSS, Activity Tracking, Wiki, Abuse Reporting, etc.
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Liferay Portal Enterprise Edition is also available with more features at a reasonable cost.
