Powerfolder is a great freeware application that you can use to synchronize files and folders over the Internet or a 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 detects changes automatically and starts the synchronization as soon as it notices them.
Some key features are:
Update: The free version of PowerFolder is limited to 2 Gigabytes of direct sync and online space. It is furthermore limited to synchronizing 3 root folders with an unlimited number of subdirectories.
If your synchronization needs exceed the limits, you may want to take a look at free alternatives. One of the latest is Cubby, a Dropbox-like file synchronization and cloud hosting service, that is also supporting direct peer to peer synchronizations (Update: only the paid version of Cubby supports the feature now, the free version does not support it anymore).
The free version of Cubby is not limited in any way, and lets you synchronize folders and files with just a handful of clicks. Please note that you need to create a free account at the developer website before you can make use of the service and its features. You basically install the client on all PCs that you want to keep in sync, and select the folders afterwards that you want to synchronize.
An alternative is Create Synchronicity, a tiny portable program for Windows that works right out of the box and without account creation at an online service. The only drawback is that it can't synchronize data across the Internet, as only local network synchronizations are supported (unless you can integrate the other PC into the network or map it as a drive).
To use it click on the new profile action on start and select a proper name for the project. The program displays the settings afterwards which you can use to select all syncing options. Here you can select the from and to directories, if you want subdirectories included in the syncing, and which synchronization mode you would like the program to use. It supports the following modes:
Another solution is the recently released BitTorrent Sync synchronization software. It is in alpha right now but can sync files directly between two different systems, regardless of whether they are in the same local area network or not.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.