Would you like to have a lightweight FTP client that does not bother you while working on your projects? Fling FTP is surely the one that can satisfy you. Fling FTP is an entirely FTP program. What sets it apart is that it integrates into Windows Explorer for easy access to your files and folders and then, it runs in the background so that your desktop is not cluttered with unnecessary windows. Finally, it allows you to upload or to transfer files automatically by using the Windows right click menu.