DIRB is a Web Content Scanner. It looks for existing (and/or hidden) Web Objects. It basically works by launching a dictionary based attack against a web server and analizing the response.
GISKismet is a wireless recon visualization tool to represent data gathered using Kismet in a flexible manner. GISKismet stores the information in a database so that the user can generate graphs using SQL. GISKismet currently uses SQLite for the database and GoogleEarth / KML files for graphing.
The SI6 Networks' IPv6 toolkit is a set of IPv6 security assessment and trouble-shooting tools. It can be leveraged to perform security assessments of IPv6 networks, assess the resiliency of IPv6 devices by performing real-world attacks against them, and to trouble-shoot IPv6 networking problems.
Kismet is an 802.11 layer-2 wireless network detector, sniffer, and intrusion detection system. It will work with any wireless card that supports raw monitoring (rfmon) mode, and can sniff 802.11a/b/g/n traffic. It can use other programs to play audio alarms for network events, read out network summaries, or provide GPS coordinates.