Throttled Pro is a tool for optimizing interent connection and provides Quality service to Mac OSX. It can display the programme that occupies most bandwidth. It can manage the priority of protocols (HTTP, SSH, POP, VNC, BitTorrent, FTP, etc.).It includes a feature that loads programmes one by one to avoid saturation or overload when downloading. It is very useful when the internet provider provides low bandwidth. It can also be used to optimize online games so as to give priority in some situations.