Speed Limiter 

Speed Limiter can simulate slow TCP/IP connections. Use Speed Limiter for example to see how long a website have to load on slow connections. Or test your software with slow TCP/IP connections.
speed limit tcp/ip connection

NetPeeker 

Personal network monitor and controller, system and application level firewall, intelligent WHOIS trace back, network speed limiter, bandwidth priority, packet capture popup killer.
network monitor firewall block spyware bandwidth popup killer