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.
Foafpress is a Web application and presentation engine for RDF data stored in files, such as your FOAF profile. It allows you to aggregate and publish data from multiple Web sources via Linked Data.
An Eclipse plugin which provides a Vim-like input scheme for text editors.
A general-purpose Java library.