This morning I would like to talk about pligg
This fantastic CMS permits visitors to share external links and comment them, other people can reply as a normal blog and everybody can create or join a specific group.
This is a simple way to create content from a passion, an idea or just anything related to your work. It is easy to install and after few minutes you can manage a beautiful new age blog. All you need is an hosting space with mysql database and a domain name; type here all your question and I will let you know about everything you need to start.