Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.
LuninuxOS is a Debian/Ubuntu based Linux distribution.
LuninuxOS is a Debian/Ubuntu based Linux distribution designed to be beautiful, clean, simply, fast, and stable. it was previously known as Sn0wl1nuX. It is super-fast, great-looking, secure, intuitive operating system that powers desktops and laptops. LuninuxOS is absolutely free, and comes with a selection of the best applications designed to meet most of your daily needs. It can be run directly from a CD/DVD/USBStick and optionally be installed to a HDD, including IDE, SCSI, SATA, PATA and USB drives.
Iptables Firewall GUI for Gnome, making firewalls Easy
JSPowerLin - Linux with a Java edge, a lightweight platform for developing and deploying J2EE applications and Java Server Pages on a server or servercluster.
The Stakker project aims to develop Linux drivers and GUI CD management applications with a SQL backend for CD/DVD library/archiving boxes. The Dutch word "Stakker" means "poor blighter" (says babelfish) :-). Imation Stakka works, CD-300 not yet.