Powerfolder is a great freeware application that synchronizes folders over the internet or local networks. This is for example pretty useful if you are working with a desktop pc and a notebook at the same time and want to synchronize data between them. It can be used to exchange every type of data for example music, photos, own documents or videos. PowerFolder automatically detects changes. Some key features are:
- Auto-detects changes
- Cross platformcompatibility
- Automatically detects nodes on localnet
- Open Source

Synchronize Outlook with FolderShare
Synchronize Data with Opera Link
Automatically Buffer Youtube Videos
Synchronize multiple folders at once
Awesome tool, thanks for the tip!