Newscoop, the open-source content management system for publishers, has a new release available. This version was released to improve articles and comments within the system as well as improving support with PHP 5.4.
This video introduces the system, but doesn't showcase the features. You can check out the system yourself with a demo from their website:
A list of some of the new features and changes in this list:
Here's an example of one of the many themes for Newscoop. This particular one is called Zen and is mobile responsive.
For more info on Newscoop or to try the demo, check out their website: http://www.sourcefabric.org/en/