1. KnowledgeTree

... powerful drop-folder integration capability. PHP5 and MySQL5-based architecture - low barriers for developers wishing to customize and extend the application. The concepts of ‘Portlet’  ...

2. Jahia Community Edition

... available Blogging standards and APIs. So you can effortlessly let your employees or association members start blogging away. JSR168 Portlets and Servlet support As well as supporting JSR168 portlets, ...

3. uPortal

uPortal is a free, sharable portal under development by institutions of higher-education. This group sees an institutional portal as an abridged and customized version of the institutional Web presence... ...

4. Liferay Portal

...  Award winning user interface Out-of-the-box usablility —choose from over 60 portlets Out-of-the-box development tools Out-of-the-box localization to 22 languages! Runs on all major application ...

5. eXo Portal

... services Unified Portal - Improve efficiency with portlet publishing based on Web Services for Remote Portlets (WSRP) REST-producer - Produce REST-based API that can be reused in different portlets. ...

6. JBoss Portal

... installer makes installation and initial configuration a breeze. Supported Standards Portlet Specification and API 1.0 (JSR-168) Content Repository for Java Technology API (JSR-170) Java ...