SoftPerfect Bandwidth Manager Lite   
by SoftPerfect Research   

SoftPerfect Bandwidth Manager is a full-featured traffic management tool for Windows that offers cost-effective bandwidth control and quality of service based on built-in prioritized rules. These rules can specify a bandwidth limit for each Internet user. This kind of software often called bandwidth shaper, bandwidth limiter or traffic shaper. With SoftPerfect Bandwidth Manager, you can apply speed-throttling rules to specified IP addresses, ports and even network interfaces with no changes to existing network infrastructure. The rich feature set of SoftPerfect Bandwidth Manager is easily managed via the intuitive Windows GUI.