NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
Proxycap - ProxyCap empowers you to divert your PC’s system associations through intermediary servers.
inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
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.
Kismet - Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.
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.