NetLimiter - Ultimate Bandwidth Shaper

NetLimiter is an ultimate internet traffic control and monitoring tool designed for Windows. You can use NetLimiter to set download/upload transfer rate limits for applications or even single connection and monitor their internet traffic.

Along with this unique feature, Netlimiter offers comprehensive set of internet statistical tools. It includes real-time traffic measurement and long-term per-application internet traffic statistics

There are 3 NetLimiter editions available, Pro, Lite and freeware Monitor.

See feature list and comparison table for more details.

Network Monitor: NetLimiter shows list of all applications communicating over network it's connections, transfer rates and more.
Bandwidth Limiter (or 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 to track your internet traffic history since you've installed NetLimiter.
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...