Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy