EasyRdf is a PHP library designed to make it easy to consume and produce RDF. It was designed for use in mixed teams of experienced and inexperienced RDF developers.
MIM:InfiniX is a multisite and multilanguage CMS. It lets you design your CMS and store data in XML files and/or MySQL databases. You can set up different virtual hosts.
A powerful and easy-to-use firewall builder for Linux which uses an elegant language.
A Java library and applications for software licensing.