cFosSpeed - cFosSpeed is a network driver, which attaches itself to existing Internet connections.
Wonder Shaper - A bandwidth limiting and traffic prioritization tool for linux.
NetBalancer - NetBalancer is a Windows application for local network traffic control and monitoring.
trickle - trickle is a portable lightweight userspace bandwidth shaper.
Little Snitch - Little Snitch is a firewall application that monitors and controls outbound internet traffic.
NetLimiter - NetLimiter is an ultimate Internet traffic control and monitoring tool designed for Windows.