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

Dsniff is a collection of tools for network auditing and penetration testing.

Nmap ("Network Mapper") is a free open source utility for network exploration or security auditing.

Wireless network sniffer and password cracker.

AutoScan is an application designed to explore and manage your network. It features OS detection, automatic network discovery, a port scanner, ...

The doorman daemon "guards the door" of a host, admitting only recognized parties.

A GUI to perform Folder and File encryption and decryption using OpenSSL Encryption algorithms. This Utility allows user to encrypt and decrypt folders and files stored in the Nokia 770 filesystem.

Network Analyzer Sniffer Tool

Pwgen is a small, GPL'ed password generator which creates passwords which can be easily memorized by a human.