NibbleBlog it's a powerful engine for creation and manipulation of BLOG's completely free. Very simple to install and configure (Only 1 step). The database used is based on XML files and this way it is not necessary to use MySQL or similar DBMS.
It is recommended for the beginner user because of the ease of installation and configuration and also it is very good to advanced users because of its flexibility and control.

NibbleBlog is open source under GPL license and so it is highly modifiable thanks to that and for the detailed code for developers.

Important characteristics:

• Free without advertising
• Easy to use and install
• XML database, no MySQL or similar DBMS needed.
• Multilanguage support
• Plug-ins support (any user can create plug-ins and import them to their Blog)
• Themes support
• WYSIWYG Editor
• It only weighs 500KB