tcp client

SpeedLimiter can simulate slow TCP/IP connections.

Broadband news, information and community, DrTCP windows tcp tuning and tweaking

A program for forwarding TCP/IP connections over Skype.

oriented TCP/IP packet assembler/analyzer

proxy server HTTP, HTTPS, SOCKS v4/4a/5, FTP, POP3, UDP/TCP portmapping

Speed-O-Meter is a program that measures the TCP/IP speed of all interfaces

A small, quick TCP service stress test tool.

Ether is a TCP/IP network instant messenger.

"easy Look at Ports" is a multithread full connect TCP ports scanner

Displays remote network computer IP, ICMP, TCP, UDP and Server statistics.