WebTorrent is a streaming torrent client for the browser, Mac, Windows, and Linux.

TCP Optimizer is a free, easy Windows program that provides an intuitive interface for tuning and optimizing your Internet connection.

SpeedOf.Me (Speed of me) is a broadband speed test service which uses pure browser capabilities such as HTML5 and JavaScript.

CurrPorts is network monitoring software that displays the list of all currently opened TCP/IP and UDP ports on your local computer.

Netcat (nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. Netcat is designed to be a dependable back-…

TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on your system.