GBlog is an WebLog using PHP and MySQL,fully customisable and configurable. He has a Calendar, an archiving system, a search engin, and a system to display your prefered links.
Licence : GNU/GPL
Download the .tar.gz or the .tar.bz2 and extract it
Upload the GBlog directory to your site
Apply a chmod 777 on the up/ directory, rss.xml and config.php files
Start posting in yournewblog.com/admin