Free blogging services (like Blogger.com, for example) generate a high traffic for websites which increases its popularity. If you want to have your own blogging service for your site , LifeType application allows you to manage multiple blogs and users through a single control panel corresponding to a unique MySQL database. It is an open-source blogging platform with support for multiple blogs and users in a single installation. Writing articles is comfortable with the included state of the art WYSIWYG editor. Adding pictures and sound files (for Podcasting) is just a matter of browse and click.
The Dashboard provides you with all the information you need every time you log in. Recent articles, comments and trackback as well as brief statistics get you updated about your blog immediately.
LifeType requires at least PHP 4.3.0 and MySQL 3.23 to run and it has been built on and for Linux and Unix servers, but it will run on the Windows platform without any problem (both under Apache and Microsoft Internet Information Services)(source)

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Platform: Windows / Mac OS / Linux / BSD / Solaris
License: GPL / Download / Developer page