PowerFolder is a program to synchronize folders over the internet or on a local net. It uses peer-to-peer technology to exchange the files. This means you do not need a hosting server. Every client holds a local copy of the folder.
It can be used to exchange every type of data for example music, photos, own documents or videos. PowerFolder automatically detects changes and synchronizes
This versions runs under Mac OS X, Linux, Windows 7, XP, Vista , Vista 64, Windows servers from 2003 and on all windows versions with a full java 6 version.
Download: PowerFolder 4.0.2