Backup_migrate_archive is a project mainly written in PHP, it's free.
A proof of concept implementation for the Drupal site archive format.
A proof of concept implementation for the Drupal site archive format.
Requires: Drupal 6 (http://drupal.org), Backup and Migrate (http://drupal.org/project/backup_migrate)
To use: Install Backup and Migrate and this module. Go to admin/content/backup_migrate Choose 'Site Archive' in the first pulldown on the 'Quick Backup' form. Click 'Backup Now'.
For more information see: http://groups.drupal.org/node/106754