NetLimiter - NetLimiter is an ultimate Internet traffic control and monitoring tool designed for Windows.
Wonder Shaper - A bandwidth limiting and traffic prioritization tool for linux.
NetSpeedMonitor - NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar
trickle - trickle is a portable lightweight userspace bandwidth shaper.
NetBalancer - NetBalancer is a Windows application for local network traffic control and monitoring.
cFosSpeed - cFosSpeed is a network driver, which attaches itself to existing Internet connections.