Canonical Group Limited
Uses Ubuntu Terminal and run Ubuntu command line utilities including bash.
It is a plugin that assists with the complex task of rendering RealFlow fluids.
Next Limit S.L.
RFRK is available for mentalray, RenderMan Studio, Mantra and Maxwell Render.
Very handy tool to create a Live Ubuntu boot image on any USB device.
Ubuntu Skin Pack is a program that will transform your computer user interface.
Ubuntu One allows you to store and share files in the Ubuntu One cloud storage.
cd2usb by hacktolive is a windows program, designed to make Live USBs of Ubuntu.
CASLab Linux is a computer operating system based on the Ubuntu.
Lubuntu is a flavor of Ubuntu based on the Lightweight X11 Desktop Environment.