Simidude

AGYNAMIX Simidude is a cross platform network clipboard that makes it easy to transfer text, images, files or folders from one computer to another.
Just drag your file, folder, browser URL, text, etc., into Simidude on one computer, and then go to another Windows, Mac, or Linux computer on your network and drag the item from Simidude into its remote destination. No fiddling around with your network installation.