PowerFolder 2.1

A free peer to peer tool, which lets you synchronize whole folders over the internet or local network Work together on shared documents, share holiday pictures, or synchronize home and office PC.
PowerFolder is very easy to setup and has an intuitive user interface.
Files are managed in virtual folders - multiple users or PCs may have
access to the same folder. To grant other users or PCs access to your files
you need to give them an "invitation" containing a unique secret access key to your folder.
PowerFolder is customizable: You can choose from various synchronization profiles to control how your folders get synchronized. Read more about the synchronization profiles to find out what profile is the best for your use case.
PowerFolder is developed in Java and therefore it runs on all commonly-used operating systems (Windows, Linux und Macintosh). PowerFolder is available in multiple languages.
Main features:
- File synchronization between multiple PCs over Internet or Lan
- Supports multiple languages
- 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)
- Cross platform compatibility. PowerFolder is written completely in Java
- Automatically detects nodes on local net like windows network
- Integrated support for dynamic-dns addresses
- Icon support for folders on windows systems
- Open-source
System requirements:
- Java 2 Platform Standard Edition Environment Runtime 5.0