Wifi Analyzer is a handy tool which helps you to select a better channel for your wireless router. It turns you android phone into a handy Wi-Fi analyzer!
Wifi Analyzer - farproc Features
Optimize your WiFi network using WiFi Analyzer by examining surrounding WiFi networks, measuring their signal strength as well as identifying crowded channels.
WiFi Analyzer - VREM Features
NetSpot is a simple and accessible wireless survey tool, which allows collecting, visualizing and analyzing Wi-Fi data.
Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and (with appropriate hardware) can sniff 802.11b, 802.11a, 802.11g, and 802.11n traffic.
wavemon is a wireless device monitoring application that allows you to watch signal and noise levels, packet statistics, device configuration and network parameters of your wireless network hardware. It should work (though with varying features) with all devices supported by the...
Wifite is an automated wireless attack tool. Wifite was designed for use with pentesting distributions of Linux, such as Kali Linux, Pentoo, BackBox; any Linux distributions with wireless drivers patched for injection. The current version 2 is a complete re-write of the original.
Create a WiFi hotspot with a press of a finger! Wherever you are - you can connect your laptop or other mobile device to the 3G connection of your jailbroken iPhone or iPad. You may also share your 3G connection via USB cable or Bluetooth.
Assess channel usage of neighboring routers / access points and get a desktop alert if your active channel is not optimal (has more than 1 user on it, other than you). Troubleshoot your wifi without lifting a finger!.