NetLimiter is an internet traffic control and monitoring tool.

You can use NetLimiter to set download/upload transfer rate limits for applications or even single connection and monitor their internet traffic.

There are three available versions of NetLimiter - Pro, Lite, and Freeware Monitor.

NetLimiter Features:

Network Monitor: NetLimiter shows a list of all applications communicating over the network including connections, transfer rates and more.
Bandwidth Limiter / Bandwidth Shaper: You can use NetLimiter to set download or upload transfer rate limits for applications, connections or groups of them. With limits, you can easily manage your internet connection's bandwidth (bandwidth shaper or bandwidth controller)
Statistical tool: This feature lets you track your internet traffic history since you've installed NetLimiter 2.
Additional network information: NetLimiter provides you with and additional information like WHOIS, traceroute, etc.
And more: Rule Scheduler, Remote Administration, Connection blocker, Running as WinNT service, User rights, Chart, Advanced Rule editor and scheduler, Zone based traffic management.