Dropbox is an application that creates a special Finder folder that automatically syncs online and between your computers. It allows you to both backup files and keep them up-to-date between systems.
Note: You must first sign up to use Dropbox.
The Dropbox application is available for OS X, Windows, and Linux. A video on the site explains more.
Version 2.2.0:
- New notifications badge
- Refactoring of core sync engine
- Improved memory usage
- Startup performance improvements
- Finder icon overlay improvements
OS X 10.4 or later
Software page:
Dropbox 2.2.0 – Online synchronization tool with Finder integration; free 2 GB account. (Free)