Tunnelupdate was designed to use easily the Hurricane Electric tunnel broker. - Based on APIs of Hurricane Electric. - Update your IPv4 endpoint address with just one click. - No more need to use scripts or similar. - Perfect for developers / experimenters Tunnelupdate is now open source. The source code is available at http://moep-software.com/OpenSource/TunnelupdateOSX/ The use of tunnel broker has never been so easy ;)