Latest releases
Make sure you read InstallationHowTo about required packages.
Netinstall
You can also download, compile and install latest EDE version from source code via NetInstall script by running (as superuser):
wget http://equinox-project.org/netinstall && python netinstall
ISO image
Remastersys team created Ubuntu 12.04 based distribution with EDE and you can burn it on CD.
Repository source
To download latest source code from repository, you will need subversion installed. Here is how to checkout EDE components:
ede: svn co http://svn.code.sf.net/p/ede/code/trunk/ede2
edelib: svn co http://svn.code.sf.net/p/ede/code/trunk/edelib
or directly browse it.