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MacStumbler is a small utility to emulate the functionality of projects like netstumbler, bsd-airtools, and kismet. It's meant purely for educational or auditing purposes, although many people enjoy using these types of programs to check out how many WiFi (wireless) networks are in their area, usually known as "war driving".

MacStumbler only works with AirPort wireless cards, it does not (yet) work with any PCMCIA or USB wireless devices.

To enhance the scanning results, many wardrivers like to use external antennas to increase the range. The new iBooks and Titanium PowerBooks both contain an antenna built into the screen

What's New

Version 0.75b:
  • Improved interface
  • GPS support
  • wi-scan format
  • Fixed "Unexpectedly quit" bug


Mac OS 10.1 or later

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MacStumbler User Discussion

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4.3 8


Current Version (0.x)


Downloads 115,693
Version Downloads 93,060
License Free
Date 14 Jul 2003
Platform OS X / PPC 32
Price Free
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