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

Proxy SwitchyOmega - Proxy SwitchyOmega is the updated version of the proxy settings for easily switching and managing the multiple proxy servers and files within minutes.

Fping (open source) - fping is a program to send ICMP echo probes to network hosts, similar to ping, but much better performing when pinging multiple hosts.

FoxyProxy - FoxyProxy is a set of proxy and proxy switcher to reach the content of international market and easily switch between multiple proxies and proxy servers.

Open Nettest - Open Nettest is a platform for collecting, processing and visualizing data related QoS and QoE.

Proxifier - Proxifier extends the advantages of a proxy server to network applications that don't natively support it.