http://www.giveawayoftheday.com/netbalancer/Giveaway of the Day - NetBalancer
Browse and do any internet activity comfortably even when your download manager or torrent client download huge files from internet – just lower their network priority with NetBalancer.
NetBalancer is an internet traffic control and monitoring tool designed for Windows XP/ 2003/ Vista/ 7, both x86 and native x64.
You can use NetBalancer to set download/upload transfer rate priority for any applications and monitor their internet traffic.
Set download and upload network priority for any process.
Manage priorities and limits for each network adapter separately.
Define detailed network traffic rules.
Group local network computers and balance their traffic simultaneously.
Protect all settings and priorities with a password to prevent unauthorized changes.