NetSpot is a simple and accessible wireless survey tool. It allows you to collect, visualize, and analyze Wi-Fi data using any MacBook. NetSpot can visualize your wireless network by building a visual Wi-Fi map. It will let you see dead zones without coverage and place hotspots (access points) correctly. Using the visualized map of collected wireless data, you will also see channels' load and will be able to decide how to optimize your Wi-Fi site better. NetSpot is a powerful analyzer of Wi-Fi coverage. It will gather all the information needed for analyzing radio signal leakages, for discovering noise sources, for locating effective access points, etc. You can also use NetSpot as a powerful wireless network planning tool.
Xiwtool simplifies connecting a Linux computer's wireless card to a nearby Wireless Access Point. It allows anyone to browse nearby networks and can help you configure a Linux machine to connect to a WAP. It is compatible with any Linux system with a graphical desktop and wireless card, and can configure wireless connections on most systems which use ifup and ifdown to connect to the Internet.