Open Source Portals in Java

iPoint Portal Open Edition is a complete open source collaborative web portal. iPoint comes with a complete set of portlets with which you can create fully featured portals, Internet sites and collaborative workspaces. Features: * Full Content Management Capabilities for static Content on any page. * Web 2.0 collaboration features including Wikis, Calendars, Blogs, Forums and Document Sharing. * Rich Media support including embedded images, audio and video. * Full text search of all content. * Extensive notification and messaging support including eMail, SMS and portal. * Easily branded with full XHTML and CSS support. Blue Dot Bullet RSS support both to publish and consume RSS feeds. * WebDAV support to drag and drop files for sharing. * Easily extensible through building custom portlets, templates and views. * Standards compliant supporting JSR 168 portlets on any page. * Easily Integrated with other applications using portlets. * Java platform , runs on any hardware platform that supports Java e.g. Windows and Linux. * Strong security with permissions on individual pages and portlets.