CCProxy - Want to share Internet connection? Get every computer online through a single Internet connection?
No-IP - Dynamic DNS and Managed DNS Provider
Apache Traffic Server - Fast, scalable and extensible HTTP/S 2 and 1.1 compliant caching proxy server.
FreeDNS by Afraid.org - Free DNS hosting, lets you fully manage your own domain. Dynamic DNS and Static DNS services available. You may also create hosts off other domains that we host upon the domain owners consent, we have several domains to choose from!
FreeProxy - Feature summary from website:* Internet connection sharing with demand dialling
Duck DNS - Free dynamic DNS hosted on Amazon VPC