Download this app if: you want to sync your files over a Wi-Fi network.
Cheetah Sync is a brand new solution for keeping files on your computer and Android device in sync. You can now have your pictures, important documents, music and videos from your computer on the go! Just select a folder on your computer, a folder on your Android device, and let Cheetah Sync...
N-Sync — A nice way to sync folders on various devices on your Wi-Fi network.