MonoCMS is one content management system websites, just like wordpress, blogger, the joomla etc. 
The difference between Monocms and the above is that it belongs to the category of non database systems without a database. THE processing data is done with PHP and stored in XML. 
So uses the system files of the server to store data, which makes it extremely simple, small in size and very fast.
MonoCMS is made by a Greek web developer who lives in Athens (Panagiotis or Pano z), so at the same time with English he acquired his Greek version.
The first syllable of the system name itself derives from the Greek word "only".
Today, as announced by Panayotis (developer of the project), the new 2.7 version was released.
The 3.1 support version comes with improvements to the code, and some extra features.
For more details, see changelog
