Subutai CDN is a server where you can store your templates and also use other templates to create own environment and host sites or other sorts of applications.
You can download or upload templates there. Please note that you need to have the E2E plugin and PGP key installed and setup to use the Subutai CDN.
Press the authorize button and wait until your key is added. NOTE: the CDN token expires within one hour. After that, you will need to perform an authorization again.