PivotX 2 is free software to help you maintain dynamic sites such as weblogs, online journals and other frequently updated websites. It's written in PHP and uses MySQL or flat files as its database.
This is the "About" subweblog included in the initial PivotX software. You can change this text by editing the file '_sub_about.tpl' in the templates folder. You can do this by directly editing the file, or you can go to 'Manage Media' » 'Templates' in the PivotX interface.