try the juzu framework from exo platform.

https://www.exoplatform.com/blog/2014/11/18/learn-how-to-develop-great-juzu-portlets-for-exo-platform

target plf version 4.3.

Ubuntu 14.04 LTS Oracle JDK 1.8 MySQL 5.5 / 5.6 Oracle 11g R2 / 12c R1

##Browsers recommended:

Windows: IE11, Firefox 41, Chrome 46
Linux: Firefox 41
MAC: Firefox 41, Chrome 46

1. portlet (gatein portlet container)
2. tomcat 7.0 web server.
3. jquery
4. less for css management.
5. groovy template for the page generation.

v0.1 --> day 1
v0.2 --> day 2
... etc.