Open Source Portal Server
Ajax and Java based Portal Server.
Supports JSR 168 Portlet API programming model.
Contains multiple pre-built themes and UI window appearances.
Plus over 50 portlets pre-bundled.
Supports Mobile browser.
Includes Android Mobile App.
Social Platform
User personal profile, microblog/status updates, connections, groups etc.
User public URL which contents can be totally customized by user.
Supports Personalized pages, users can easily add/delete page or sub page.
Near real time UI notification, such as new message, friends just online.
Supports OpenID/Facebook authentication.
Uniform JSON RESTful API
Loose coupling between UI and server through JSON RESTful API.
Supports mobile browsers version.
Supports Flex portlets.
Ready to support RIAs (Flex/Silverlight etc).
Ready to support Mobile Apps (iPhone/Android/Blackberry etc).
Target to Cloud Computing
supports distributed memory cache.
supports distributed file system.
supports distributed database.
all clusters are identical without using any third party cluster mechanism.
very easy to deploy to cloud computing environment, such as Amazon EC2 from one instance to multiple instances to improve scalability.