Linspire’s user-friendly way of installing software is called CNR (Click and Run). Basically it’s a categorised directory of software with a summary of a software title and a rating system for the users.
Linspire itself puts it as following:
CNR.com will be a free on-line digital software warehouse and one-click delivery service designed to solve the complexity of finding, installing and managing software applications on your Linux desktop computer.
It has recently been announced that Linspire plans to make the CNR service available on all major Linux distributions, which of course includes Ubuntu.
Read more on Cnr.com