Just Another Port Scanner 0.1 (by Travis Gant)
Just Another Port Scanner (JAPS) is an easy to use, bare-bones TCP port scanner

Just Another Port Scanner 0.1 (by Travis Gant)
Just Another Port Scanner (JAPS) is an easy to use, bare-bones TCP port scanner

TCP port scanner 1.0.4 (by Alexey Semenov)
TCP port scanner is a network scanner for Linux.

Installation:

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XPortScan 2.1 (by Miguel Morales)
XPortScan is a multi-threaded, cross-platform, GUI port scanner

mpscan 0.1.0 (by Markus Fraczek)
mpscan is a parallel network scanner that checks for open ports

nload 0.6.0 (by Roland Riegel)
XPortScan is a cross-platform lightweight gui multi-threaded port scanner

knocker 0.7.1 (by Gabriele Giorgetti)
Knocker is a simple, versatile, and easy-to-use TCP security port scanner written in C, using threads

conntrack viewer 1.3 (by Patrick Lagace)
The Multithread Network Port Scanner uses 50 POSIX threads to scan hosts

Nmap Log Stripp3r 1.0 (by Marshall Whittaker)
Nmap Log Stripp3r program is intended to be a way to condense all, or some, of the IPs of a "random" nmap scan into a file for later

Multiscan 0.8.5 (by Karl Serstr)
Multiscan is a tcp port scanner for console which allows you to scan a range of IP addresses

halfscan6 0.2 (by Thomas Habets)
halfscan6 is an IPv6 syn port scanner

Nmap 4.20 (by Fyodor)
Nmap is a utility for network exploration or security auditing

iptables 1.3.7 (by Harald Welte)
iptables and netfilter are building blocks of a framework inside the Linux 2.4.x and 2.6.x kernel

Linux Bandwidth Arbitrator 9.62 (by astormchaser)
Linux Bandwidth Arbitrator allows beginning-to-advanced network administrators to control bandwidth

Ettercap 0.7.3 (by ALoR NaGA)
Ettercap is a network sniffer/interceptor/logger for ethernet LANs

rdesktop 1.5.0 (by matthewc)
rdesktop is an open source client for Windows NT Terminal Server and Windows 2000/2003 Terminal Services, capable of natively speakin