From Eltima Software
USB over Network for Mac lets your computer work with remote USB devices over Internet/LAN/WAN as if those devices were connected directly to this computer. You can share a USB device with remote computers no matter how far they are and let people all over the world use them easily.
By intercepting USB port activity of a shared USB device and redirecting it via TCP/IP network USB over Network for Mac lets you access your printer, scanner, web-cam, USB dongle or any other supported USB device from your home computer or office laptop anywhere any time! Just plug the device in and it will automatically appear on the remote side of the connection.
Mac OS X 10.9 and higher