802.11 Wireless Security testing tool

Nmap ("Network Mapper") is a free and open source (license) utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime.

dsniff is a collection of tools for network auditing and penetration testing. dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy passively monitor a network for interesting data (passwords, e-mail, files, etc.).

Bluetooth port scanning suit.

The TCP/IP package dumper.

Password safe is a utility to keep a list of usernames and passwords encrypted with a single password. Its file format is from Bruce Schneier's utility of the same name.

Hildonized ssh-askpass(1) replacement