Software
Distros: Full-installation
For a very complete list of distributions, we recommend that you visit the Geogia Tech Software Library or DistroWatch.
Mandriva: MandrivaLinux or mandriva.com
SUSE: suse.com or OpenSUSE.org (the open source version)
FreeBSD: Although this is not a Linux distribution, it is a free UNIX-based OS that has much in common with Linux. Many applications made for Linux will run in FreeBSD.
GoboLinux: Linux with a friendly directory structure and no need for a package manager
Distros: LiveCDs
One of the best known distributions in this category is KNOPPIX.
Ubuntu has a very good LiveCD version
Linux Stats
Linux-Stats.org has a client that allows you to add your machine's statistics anonymously. Statistics include kernel version, distro, window manager, file system, hardware, and more.
Columbia, SC Linux Users Group