inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
YoruFukurou - YoruFukurou (NightOwl) is a Twitter client for Mac OS X, designed for Twitter addicts.
NetStumbler - Official source of information about Netstumbler.
Janetter - Janetter is a Twitter client application. Faster, smarter, and more powerful.
Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
Talon for Twitter - Elegantly designed, ad-free Twitter experience for Android