Driftnet
Picks out and displays images from network traffic

Cardpeek
Tool to read the contents of smart cards
Ettercap
Multipurpose Network sniffer/analyser/interceptor/logger

Firewall Builder
Design and Manage Firewall Rules

gnoMint X.509 CA Manager
Manage X.509 certificates and CAs, easily and graphically
Firewall Configuration
An easy way to configure your firewall

APT Key Manager
Graphical administration tool for digital keys used with APT

GtkHash
Calculate message digests or checksums

XHydra
GUI frontend for Hydra network log-on cracker

SSH AskPass
Enter passphrase to authenticate to the ssh agent

KWalletManager
KDE Wallet Management Tool

NmapSI4 - Full mode
Is a Qt5 interface for nmap scanner

NmapSI4-logr
Is a Qt4 interface for nmapsi4 log

NmapSI4 - User mode
Is a Qt5 interface for nmap scanner

Hashcheck
ISO health checker
airsnort
Wireless LAN (WLAN) tool which recovers encryption keys
prelude-notify
Graphical notification applet for prelude
QtPass
GUI for the standard unix password store
Passwords and Keys
Manage your passwords and encryption keys
slbackup-php
Webpage for configuring slbackup

Software Token (small)
RSA SecurID-compatible software token

Software Token
RSA SecurID-compatible software token
TorChat
Decentralized instant messenger built on top of the Tor Network

EtherApe
Graphical Network Monitor

w3af
Web Application Attack and Audit Framework
YAPET
Yet Another Password Encryption Tool
Zenmap
A cross-platform GUI for the Nmap Security Scanner.
zuluCrypt
Graphical front end for zulucrypt-cli
zuluMount
Encrypted volumes and partition mounter
Zenmap (as root)
A cross-platform GUI for the Nmap Security Scanner.
creepy
geolocation information aggregator

Firewall Applet
Firewall Applet
Ksshaskpass
Add identities to the SSH authentication agent
OpenPGP Applet
Encrypt, Decrypt, Sign text from and to the clipboard
OpenPGP-Applet
Encrypt, Decrypt, Sign text from and to the clipboard

SELinux Policy Generation Tool
Generate SELinux policy modules
UFW-KDE
Firewall settings

Firejail Configuration Wizard
Firejail configuration wizard

Firetools
Firejail Tools and Stats