CoolCNC LiveCD This is a live CD, meaning that you can boot a computer with it and have a running system, without installing to your hard drive.
Ubuntu 6.06 LTS LiveCD This is the new LiveCD for emc2. You can boot with this disc and run emc2 without installing to your hard drive. You have the option of installing if you wish.
Previous version: Ubuntu 5.10 LiveCD
BDI Files The BDI "Brain-Dead Install" is a KDE / Debian based distribution of emc, which you must install onto your hard drive.
More to be added as necessary.