NetStumbler (also known as Network Stumbler) is a tool for Windows that facilitates detection of Wireless LANs using the 802.11b, 802.11a and 802.11g WLAN standards. It runs on Microsoft Windows operating systems from Windows 2000 to Windows XP. A trimmed-down version called MiniStumbler is available for the handheld Windows CE operating system.
The program is commonly used for:
- Verifying network configurations
- Finding locations with poor coverage in a WLAN
- Detecting causes of wireless interference
- Detecting unauthorized ("rogue") access points
- Aiming directional antennas for long-haul WLAN links
No updated version has been developed since 2005.
- inSSIDer was created as an open-source alternative to Network Stumbler for the current generation of Windows operating system.
- Vistumbler is an alternative to Network Stumbler for Vista and newer Windows operating systems, it is open source project written in AutoIt scripting language.
- Kismet for Linux, FreeBSD, NetBSD, OpenBSD, and Mac OS X
- KisMAC for Mac OS X
- Wigle Wifi for Android smart phones and tablets, by WiGLE
See also 
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