SilverStripe - Award wining CMS
SilverStripe CMS is used to build websites, intranets, and web applications. SilverStripe CMS enables websites and applications to contain stunning design, great content, and compelling interactive and social functions. It is a power tool for professional web development teams, and web content authors rave about how easy it is to use.
It is built on Sapphire framework. SilverStripe could be extended using modules. Lot of modules like blog, workflow, searchengine support etc are already available as part of open source. It has widget support to add links to various social media.
Sapphire gives developers creative freedom in building complex websites quickly and robustly, allowing them to edit code directly, without having to go through a restrictive GUI to manage code. Demo http://demo.silverstripe.com.SilverStripe has been credited with many awards. It has won Packt Publishing CMS Awards three years consequently.