PowerFolder is a program used to synchronize folders over the internet or a local network. It uses peer-to-peer technology to exchange the files. This means you do not need a server to host the files. Every client holds a local copy of the folder. It can be used to exchange every type of data, for example - documents, photos, music or videos. PowerFolder automatically detects changes (synchronizes the changes) and is highly configurable! Features include - File synchronization between multiple PCs over the internet or LAN, Supports multiple languages, Offers Private Networking, Auto-detects changes, Runs silently in system tray, Easy-to-use user interface, Easy installation and update, Windows installer available, Synchronize profiles control how folders get synchronized, Pure peer-to-peer network - no server required, MP3(ID3) tag support, Out-of-Browser start (Java WebStart), Built-in compression of up- and downloads (GZIP), Link support for downloads like edonkey-links, Cross platform compatibility. PowerFolder is written completely in Java, Automatically detects nodes on a local LAN - like a windows network, Intelligent upload and download strategy - upload can be limited, Integrated support for dynamic-dns addresses, Full icon support for folders on windows systems, Open-source. PowerFolder as File sharing - The main difference between PowerFolder and other File sharing programs is that files get automatically downloaded when someone adds a new file. People with same interests group together in folders, if anybody has new stuff it is automatically sent to all folder members. Requirements - Java 1.5 (free download), 64 Megabytes memory.