This is the list of the best free short domains and subdomains available as of 2013. Create your subdomains and use cname, dns, url redirection to your free web host to create your own websites. Some subdomains need to be renewed every year for free and some dont need to be renewed as long as you have them. The disadvantages of using them is they are not yours and they have low SEO. Just try not to violate the rules of the free subdomain company since they are free and the free subdomain company can take away your domain if you violate them. The advantages of using these subdomains is they are free and if you put enough dedication to your free subdomain then they can still rank high in search results.
5. subdomain.net - subdomain.x.gg and many more
7. afraid.org - subdomain.us.to and subdomain.uk.to and many more
13. shorturl.com - subdomain.vze.org
28. popnic.com (us.pn, com.au.pn)