Igloo is a new PHP-based weblog, used by such sites as http://mrpenguin.org and http://classof97.org. The scripts are simple and are easy to customize or modify. It makes heavy use of MySQL, though plans are brewing to port it to other databases.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.