Multi Purpose Hacking/ Pentesting Tools

What is Kismet?
Kismet is a packet sniffer, network detector and intrusion detection system for 802.11 wireless local area networks. This tool will work with other wireless card that supports raw monitoring mode and can also sniff 802.11a, 802.11b, 802.11g and 802.11n traffic.

Is Kismet Free?
Kismet is free for use.

Does Kismet Work on all Operating Systems?
The tool work on different systems including Linux, FreeBSD, OpenBSD, NetBSD and MAC OS X. It can also run on Microsoft windows.

What are the Typical Uses for Kismet?
Kismet is used in a number of open source and commercial projects. For an inexpensive wireless intrusion detection system, it can be used with other packages. It has also been used in a number of peer reviewed studies.