AP Scanner is a small Macintosh-only application that will detect all in-range open 802.11 wireless network access points. It will show you a pretty little graph and show potential channel conflicts.
Category:   Software > Monitoring

Grasshopper[tm] is a handheld, wireless receiver designed specifically for sweeping and optimizing Local Area Networks. The instrument measures coverage of direct sequence CDMA networks which operate on the IEEE 802.11b standard allowing the user to measure and determine the AP (AccessPoint), PER (Packet Error Rate) and RSSI signal levels aiding in locating the hub and access points throughout a building. Grasshopper detects and differentiates from narrow-band multipath interferences such as microwave ovens and frequency hopping systems and features a built-in display, keypad and removable battery pack for true portability.
Category:   Software > Monitoring

Wireless Switch Applet provides the applet for GNOME2 to switch the configuration for iwconfig. you can add/modify/delete that configuration on GUI, and switch it on the panel easily.
Category:   Software > Monitoring

Scanning for wireless networks is now easier and more personalized! AirRadar allows you to scan for open networks and tag them as favourites or filter them out. View detailed network information, graph network signal strength, and automatically join the best open network in range.
Category:   Software > Monitoring

The WiFi Analyzer is an all-in-one, handheld diagnostic tool for the administration and installation of 802.11 WLANs. Designed with the Network administrator/MIS manager in mind, this portable, easy to use analyzer requires little or no RF (radio frequency) engineering expertise to provide critical network analysis.
Category:   Software > Monitoring