6tunnel

TCP proxy for applications that don't speak IPv6

activemq-bin

adjtimex

display or set the kernel time variables

aftr

Address Family Transition Router

aget

multithreaded HTTP download accelerator

aggregate

aggregate-flim

aggregate is a tool for aggregating CIDR networks.

ahcpd

the Ad-Hoc Configuration Protocol

aiccu

AICCU Client to configure an IPv6 tunnel to SixXS

amazon-glacier-cmd-interface

anytun

VPN daemon using Secure Anycast Tunneling

apt-cacher-ng

Yet another implementation of a HTTP proxy for Debian/Ubuntu software packages written in C++

apt-proxy

Caching proxy for the Debian package system

aqbd

Homebanking command line frontend for aqbanking.

aria2

A download utility with resuming and segmented downloading with HTTP/HTTPS/FTP/BitTorrent support.

arm

armory

arpd

ARP server which claims all unassigned addresses (for network monitoring or simulation)

arpsponge

asterisk

Asterisk: A Modular Open Source PBX System

asterisk-addons

Additional Plugins for Asterisk

asterisk-app_backticks

lets you execute a shell command and capture it's output

asterisk-app_changrab

Take over a channel or originate a channel from the CLI

asterisk-app_conference

Asterisk application plugin for conferences

asterisk-app_contest

Asterisk plugin to set up a contest where caller X wins

asterisk-app_distributor

Distribute calls between multiple targets and can be used for load ballancing

asterisk-app_event

Asterisk valetparking plugin

asterisk-app_iconv

Asterisk application plugin for character conversion

asterisk-app_intercept

Asterisk plugin to intercept an unanswered call

asterisk-app_ldap

Asterisk application plugin to do lookups in a LDAP directory

asterisk-app_notify

Asterisk application plugin to notify users

asterisk-app_rtxfax

Asterisk applications for sending and receiving faxes

asterisk-app_rxfax

Asterisk applications for sending and receiving faxes

asterisk-app_valetparking

Asterisk Call Parking plugin

asterisk-cdr_shell

Asterisk plugin to use an external shell script for cdr handling

asterisk-chan_datacard

asterisk-chan_dongle

asterisk-chan_misdn

Asterisk channel plugin for mISDN

asterisk-chan_ss7

Asterisk SS7 channel plugin

asterisk-chan_visdn

asterisk-core-sounds

asterisk-e164-800notes

asterisk-e164-vcard

Asterisk AGI script to search and append a vCard addressbook with CallerID

asterisk-e164imap

Asterisk AGI script to search and append an IMAP vCard addressbook with CallerID

asterisk-extra-sounds

asterisk-format_base64

Asterisk file format for MSGSM (WAV49, BASE64 Encoded)

asterisk-g729

asterisk-gui

asterisk-moh-opsound

asterisk-rate_engine

Asterisk application for least-cost routing

asterisk-res_perl

Asterisk ... JavaScript

asterisk-sounds-au

Australian sounds for Asterisk

asterisk-sounds-de

German sounds for Asterisk

asterisk-sounds-it

Italian sounds for Asterisk

asterisk-sounds-se

Swedish sounds for Asterisk

asterisk-spandsp_codec_g726

SpanDSP ITU G.726-32kbps codec for Asterisk

astmanproxy

Proxy for the Asterisk manager interface

autossh

Automatically restart SSH sessions and tunnels

autoupnp

avbot

avsocks

axel

Light Unix download accelerator

babel-pinger

babeld

a loop-free distance-vector routing protocol

babeld-route-share

badvpn

balance

TCP Load Balancing Port Forwarder

batctl

batman-adv

Better approach to mobile Ad-Hoc networking on layer 2 kernel module

bayonne2

GNU Bayonne2

bbscp

bbSCP is a wrapper that provides an SCP-like interface to bbFTP.

bcg729

belier

SSH connection generation tool

bfgminer

bgpq

bgpq3

biabiamiamia

binkd

binki-get-fqdn

bird

A routing daemon implementing OSPF, RIPv2 & BGP for IPv4 or IPv6

birdie

blinkperl

blinkperl is a telnet server, which plays BlinkenLight movies

blogtk

GTK Blog - post entries to your blog

bopm

Blitzed Open Proxy Monitor

bridge-utils

Tools for configuring the Linux kernel 802.1d Ethernet Bridge

broadcom-netxtreme2

bsdwhois

FreeBSD Whois Client

bti

A command line twitter/identi.ca client

bwwhois

Perl-based whois client designed to work with the new Shared Registration System

cadaver

Command-line WebDAV client.

callweaver

Community-driven vendor-independent cross-platform Open Source PBX software.

callweaver-svn

Community-driven vendor-independent cross-platform Open Source PBX software.

can-utils

capi4hylafax

capi4hylafax adds a faxcapi modem to the hylafax enviroment.

capiisdnmon

a CAPI 2.0 ISDN call monitor with LDAP name resolution

cbqinit

Sets up class-based queue traffic control (QoS) with iproute2

cbugzilla

cfengine

An automated suite of programs for configuring and maintaining Unix-like computers

cgminer

cgterm

Connect to C64 telnet BBS's with the correct colours and font

chan4watch

chaosvpn

charm

chrony

NTP client and server programs

cisco-vpnclient-3des

cjdns

clamz

Command-line downloader for the Amazon.com MP3 music store

cliaspora

clipgrab

Download videos from Youtube, Google Video, MyVideo, Dailymotion, ClipFish, Veoh.com and others.

clockspeed

A simple Network Time Protocol (NTP) client

clockspeed-conf

scripts to setup a clockspeed client and/or a taiclockd server

cloudvpn

secure mesh networking VPN

clusterssh

cocaine-core

connect

network connection relaying command

connman

Provides a daemon for managing internet connections

connman-ui

corkscrew

Corkscrew is a tool for tunneling SSH through HTTP proxies.

cpushare

csync

curl

dahdi

Kernel modules for Digium compatible hardware (formerly known as Zaptel).

dahdi-tools

Userspace tools to configure the kernel modules from net-misc/dahdi

danbooru-grabber

datapipe

bind a local port and connect it to a remote socket

dcetest

dcetest is a clone of the Windows rpcinfo

dchk

dhcdrop

dhcp

ISC Dynamic Host Configuration Protocol

dhcp-fwd

dhcpcd

A fully featured, yet light weight RFC2131 compliant DHCP client

dhcpcd-ui

dhcpd-pools

dhcping

Utility for sending a dhcp request to a dhcp server to see if it is responding.

dibbler

Portable DHCPv6 implementation (server, client and relay)

directvnc

Very thin VNC client for unix framebuffer systems

distrib

dlan-linux

dnetstats

Qt4 network monitor utility

dnprogs

dns2tcp

dnssec-trigger

drawterm

drivel

Drivel is a desktop blogger with support for LiveJournal, Blogger, MoveableType, Wordpress and more.

dropbear

small SSH 2 client/server designed for small memory environments

dropbox

dropbox-cli

dsbl-testers

e1000e

ebnetd

A server for accessing CD-ROM books with NDTP EBNET EBHTTP

econnman

efax

A simple fax program for single-user systems

egear

eGear, a download tool written in QT4

electrum

elliptics

elliptics-eblob

email-validator

emirror

ECLiPt FTP mirroring tool

emusicj

eMusic/J is an open source download manager for the eMusic.com music service written in Java

epoptes

epoptes-client

esniper

A simple, lightweight tool for sniping ebay auctions

ethercard-diag

low level mii diagnostic tools including mii-diag and etherwake (merge of netdiag/isa-diag)

eupnp

exabgp

f5vpn-login

faifa

fakeidentd

A static, secure identd. One source file only!

fatrat

Qt4-based download/upload manager

fcoe-utils

Fibre Channel over Ethernet utilities

firstclass-client

flashget

flexget

fmirror

FTP mirror utility

fonulator

forticlient-sslvpn

freefilesync

freego

Tool for users of Free, a French ISP, to manage their accounts

freerapid

freerdp

freeswitch

Based on the eutils eclass

freeswitch-esl

freeswitch-music

freeswitch-sounds

freeswitch-sounds-en

freeswitch-sounds-ru

freetdm

fsp

File Service Protocol - What Anonymous FTP should be!

fspclient

File Service Protocol client - command-line ftp-like interface for FSP

ftpsync

A Perl script to synchronize a local directory tree and a remote FTP directory tree.

fuse-google-drive

fwknop

Single Packet Authorization and Port Knocking

g2ipmsg

Based on the eutils eclass

gammamoo

a modern MOO server, based on LambdaMOO

ga_wrapper

gcap

geekcredit

Digital complementary currency for internet.

gemanx

GeMan X is a branch of PCMan X.

geoipupdate

Geomyidae

getdate

Network Date/Time Query and Set Local Date/Time Utility

getht

A free application to download issues of Hinduism Today

gip

A nice GNOME GUI for making IP address based calculations

gitso

globus-toolkit

gmrender-resurrect

gnome-blog

Post entries to your blog right from the Gnome panel

gnome-connection-manager

gnome-online-miners

gnome-rdp

Remote Desktop Client for the GNOME desktop

gns3

Graphical Network Simulator

gofish

Gofish gopher server

gogoc

goog-sitemapgen

Sitemap Gen is a python script which will generate an xml Sitemap for your web site.

googlecl

gopher

grdesktop

Gtk2 frontend for rdesktop

grive

gsasl

The GNU SASL client, server, and library

gstm

Gnome SSH Tunnel Manager

gsutil

gtkvncviewer

guacamole-server

guidedog

A network/routing configuration utility for KDE 3

gupnp-tools

Free replacements of Intel UPnP tools that use GUPnP.

gvdown

A tool to download flash films from video portals like youtube or myvideo

gvpe

GVPE creates a virtual ethernet (broadcasts supported, any protocol that works with a normal ethernet should work with GVPE) by creating encrypted host-to-host tunnels between multiple endpoints.

gvrpcd

gwget

GTK2 WGet Frontend

gwhois

generic whois

gwibber

Gwibber is an open source microblogging client for GNOME developed with Python and GTK.

haeredes

hamachi-gui

hans

harbalance

harpoon

Flow-level Traffic Generator

hashcash

Utility to generate hashcash tokens

haspd

hath

hermes

hlfl

High Level Firewall Language

hotot

hsc

An HTML preprocessor using ML syntax

htbinit

Sets up Hierachical Token Bucket based traffic control (QoS) with iproute2

htbstat

HTB class tree viewer of alexpro (Alexey Prokopchuk)

htpdate

Synchronize local workstation with time offered by remote webservers

htsn

htsn-import

httpie

httptunnel

httptunnel can create IP tunnels through firewalls/proxies using HTTP

httptype

httptype is a program that returns the http host software of a website.

htun

Project to tunnel IP traffic over HTTP

hylafax

Enterprise client-server fax package for class 1 and 2 fax modems.

hylafaxplus

iaxclient

Multiplatform IAX library for creating telephony solutions that interoperate with Asterisk

iaxcomm

iaxmodem

Software modem that uses an IAX channel instead of a traditional phone line

icaclient

ICA Client for Citrix Presentation servers

icecast

An opensource alternative to shoutcast that supports mp3, ogg (vorbis/theora) and aac streaming

ices

icmptx

IP over ICMP.

identicurse

ieee-oui

ifenslave

Attach and detach slave interfaces to a bonding device

igb

igbvf

igmpproxy

Multicast Routing Daemon using only IGMP signalling (Internet Group Management Protocol)

ike

imdb-tools

a set of tools for interfacing IMDB in order to maintain archives of films.

indicator-bluetooth

iodine

IP over DNS tunnel

ip-sentinel

Prevent unauthorized usage of IPs within the local ethernet broadcastdomain by giving an answer to ARP-requests

ipcalc

calculates broadcast/network/etc... from an IP address and netmask

iperf

tool to measure IP bandwidth using UDP or TCP

iplist

Blocks connections from/to hosts listed in files using iptables.

ipsc

IP Subnet Calculator

ipsorcery

Ipsorcery allows you to generate IP, TCP, UDP, ICMP, and IGMP packets.

ipsvd

ipsvd is a set of internet protocol service daemons for Unix.

iptux

Iptux is a ipmsg client in linux

iputils

Network monitoring tools including ping and ping6

ipv6calc

IPv6 address calculator

ipx-utils

The IPX Utilities

isatapd

italc

Intelligent Teaching And Learning with Computers (iTALC) supports working with computers in school

ixgbe

ixgbevf

ixp4xx

kernel drivers for intel ixp4xx systems (like the NSLU2)

java-wakeonlan

A wakeonlan commandline tool and Java library

jDownloader

JDownloader ist ein plattformunabhängiges, in Java geschriebenes Opensourceprojekt. Das Programm vereinfacht das Herunterladen von Dateien von sogenannten One-Click-Hostern wie Rapidshare.com oder Megaupload.com sowohl für Freeuser als auch für Premiumkunden. Dabei stehen Features wie "Multistreamdownload", "Bilderkennung", "Automatisches entpacken" uvm. zur Verfügung. JDownloader ist natürlich völlig kostenlos.Zusätzlich werden viele bekannte "Linkverschlüsselungsseiten" unterstützt um das Einfügen von Downloadlinks komfortabler zu machen.JDownloader kann CCF, RSDF, und das neue DLC Format importieren.

jigdo

Jigsaw Download is a tool designed to ease the distribution of large files, for example DVD images.

jkota

Internet kota kontrol program?

jlj

A simple console LiveJournal entry system.

jrdesktop

Java Remote Desktop (jrdesktop) software for viewing and/or controlling a distance PC.

jumpgate

An advanced TCP connection forwarder.

juniper-vpn

jwhois

Advanced Internet Whois client capable of recursive queries

kamailio

An Open SIP Express Router

karma

MITM framework for wifi

kbandwidth

Network monitoring Kicker-applet for KDE 3.x

keychain

manage ssh and GPG keys in a convenient and secure manner. Frontend for ssh-agent/ssh-add

keyninja

kmod-huawei-voice

knemo

KNemo - the KDE Network Monitor

knock

A simple port-knocking daemon

knutclient

Client for the NUT UPS monitoring daemon

kontrolpack

Remote shell command executor and LAN manager

kovpn

kovpn - a simple OpenVPN GUI

ksshaskpass

KDE implementation of ssh-askpass with Kwallet integration.

kumofs

a scalable and highly available distributed key-value store

kvpnc

kvpnc - a KDE-VPN connection utility.

kwebget

A KDE frontend for wget.

kyototycoon

l7-filter-userspace

Userspace utilities for layer 7 iptables QoS

l7-protocols

Protocol definitions of l7-filter kernel modules

ladvd

lambdamoo

networked mud that can be used for different types of collaborative software

lanmap

lanmap sits quietly on a network and builds a picture of what it sees

lcr

ldg-cert-util

ldg-version

ldminfod

LTSP Display Manager Daemon

leapcast

libipmsg

libipmsg - IP Messenger library for UNIX

libreswan

libss7

libteam

linux-eoip

linux-identd

A real IDENT daemon for linux.

linuxptp

liveice

Live Source Client For IceCast

livestreamer

lksctp-tools

Tools for Linux Kernel Stream Control Transmission Protocol implementation

lldpad

lldpd

logjam

GTK2-based LiveJournal client

logmein-hamachi

ltsp-client

LTSP client scripts

ltsp-cluster-lbagent

ltsp-cluster-lbserver

ltsp-server

LTSP server

lxserver

mailru-cloud

makeway

mdidentd

This is an identd with provides registering of idents

mDNSResponder

The mDNSResponder project is a component of Bonjour, Apple's initiative for zero-configuration networking.

mediadownloader

mediatomb

MediaTomb is an open source UPnP MediaServer

megaupload-dl

memcached

High-performance, distributed memory object caching system

meresco-harvester

mico

A freely available and fully compliant implementation of the CORBA standard

midentd

ident daemon with masquerading and fake replies support

mikutter

mimms

An mms:// downloader client

mindterm

A Java SSH Client

minidlna

minissdpd

miniupnpd

MiniUPnP IGD Daemon

minus-desktop-tool

mirall

miredo

Teredo IPv6 tunneling

mitter

Micro-blogging client with multiple interfaces

mixminion

A Type III Anonymous Remailer

mkelfImage

mknbi

Utility for making tagged kernel images useful for netbooting

mobile-broadband-provider-info

Database of mobile broadband service providers

moblock

Blocks connections from/to hosts listed in a file in peerguardian format using iptables.

mocha

modem-manager-gui

modemmanager

Modem and mobile broadband management for NetworkManager-0.7.

modemmanager-classic-interfaces

modemmanager-next

monast

monmotha

MonMotha IPTables-based firewall script.

mosh

mrouted

IP multicast routing daemon

msrprelay

mulder-listen-daemon

mulk

Download agent similar to wget/curl

multi

n2n

A Layer Two Peer-to-Peer VPN

nakenchat

nat-traverse

Traverse NAT gateways with the Use of UDP

ncp

ndisc6

Tools for IPv6 networking

ndppd

neatx

Google implementation of NX server

nemesis

A commandline-based, portable human IP stack for UNIX/Linux

neon

HTTP and WebDAV client library

netbrake

A utility to limit the bandwidth used by a process.

netcf

netcomics-cvs

Program to download daily comics strips from web

netctl

netdate

A Utility to synchronize the time with ntp-servers

netfleet

Qt4 cross-platform multi-threaded download utility

netifd

netifrc

netkit-bootparamd

Netkit - bootparamd

netkit-bootpd

Netkit - bootp

netkit-fingerd

Netkit - fingerd and finger client

netkit-routed

Netkit - routed

netkit-rsh

Netkit's Remote Shell Suite: rexec{,d} rlogin{,d} rsh{,d}

netkit-rusers

Netkit - rup rpc.rusersd rusers

netkit-rwall

Netkit - rwall

netkit-rwho

Netkit - ruptime/rwho/rwhod

netkit-talk

Netkit - talkd

netkit-telnetd

Standard Linux telnet client and server

netkit-timed

Netkit - timed

netmask

Tool for generating terse netmasks in several common formats

netpipe

tool to reliably distribute binary data using UDP broadcasting techniques

netpipes

netpipes - a package to manipulate BSD TCP/IP stream sockets

netprofiles-ims

The Netprofiles Interface Management System (IMS) is an easy way to manage multiple network configurations for your wired or wireless network cards.

netsed

A small and handful utility designed to alter the contents of packets forwarded thru your network in real time

netsniff-ng

high performance network sniffer for packet inspection

netstat-nat

Display NAT connections

networkled

networkmanager

Network configuration and management in an easy way. Desktop environment independent.

networkmanager-l2tp

networkmanager-openconnect

NetworkManager openconnect plugin.

networkmanager-openswan

networkmanager-openvpn

NetworkManager OpenVPN plugin.

networkmanager-pptp

NetworkManager PPTP plugin.

networkmanager-sstp

networkmanager-strongswan

NetworkManager StrongSwan plugin.

networkmanager-vpnc

NetworkManager VPNC plugin.

nfblockd

A linux daemon filtering the IP connections according to a supplied blocklist file.

ng-utils

A collection of small tools for accessing netgroup contents

niceshaper

nicovideo-dl

A small command-line program to download videos from nicovideo.jp.

nicstat

novell-bordermanager-clntrust

Client Authentication for BorderManager

novell-client

Novell Modules for Login Script Procssing

novell-client-config

Novell Client for Linux Configuration

novell-client-env

Novell ClientGentoo Env Files

novell-client-script

Novell Modules for Login Script Procssing

novell-ncpenc

Novell NCP Services for Linux

novell-ntls

Novell Transport Security Layer

npapi-sdk

nsq

nstx

IP over DNS tunnel

ntp

Network Time Protocol suite/programs

ntpclient

A NTP (RFC-1305) client for unix-alike computers.

nut

nut-monitor

A graphical application to monitor and manage UPSes connected to a NUT server

nx

NX compression technology core libraries

nxcl

A library for building NX clients

nxclient

X11/VNC/NXServer client (remote desktops over low-bandwidth links)

nxnode

shared components between the different editions of NoMachine's NX Servers

nxplayer

nxsadmin

graphical tool for management of active NX sessions on FreeNX server

nxserver-freeedition

Free edition NX server from NoMachine

nxserver-freenx

Free Software Implementation of the NX Server

nxweb

web companion client for NoMachine NX servers

ocpy

ocsync

odhcp6c

odhcpd

ofono

Open Source mobile telephony (GSM/UMTS) daemon.

oidentd

Another (RFC1413 compliant) ident daemon

ola

olsrd

An implementation of the Optimized Link State Routing protocol

omniORB

A robust, high-performance CORBA 2 ORB

omnitty

ncurses-based ssh multiplexer for cluster administration

onioncat

openconnect

Free client for Cisco AnyConnect SSL VPN software

openggsn

openlldp

The Link Layer Discovery Protocol

openntpd

Lightweight NTP server ported from OpenBSD

openpbx_org-svn

openr2

openrdate

use TCP or UDP to retrieve the current time of another machine

openrrcp

openser

OpenSIP Express Router

opensips

openssh

Port of OpenBSD's free SSH release

openssh-blacklist

Source files of vuln Debian keys

openswan

Open Source implementation of IPsec for the Linux operating system (was SuperFreeS/WAN).

openvpn

OpenVPN is a robust and highly flexible tunneling application compatible with many OSes.

openvpn-auth-ldap

openvpn-mysql-auth

openvpn-radiusplugin

openvswitch

orbited

Real-time communication for the browser.

osg-ca-certs

owncloud-client

packETH

Packet generator tool for ethernet

pavuk

Web spider and website mirroring tool

pcapfix

pcmanx-gtk2

PCMan is an easy-to-use telnet client mainly targets BBS users formerly writen by gtk2

pedro

pen

TCP Load Balancing Port Forwarder

pglinux

A lightweight IP blocker to stop rogue connections

phonesim

pimpd

RFC1413-compliant identd server supporting masqueraded connections

pinba-engine

pipes

Very versatile TCP pipes

plowshare

Command-line downloader and uploader for file-sharing websites

pmsvn

poclbm

polly

pooler-cpuminer

portfwd

Port Forwarding Daemon

pppoat

pps-tools

proxychains

force any tcp connections to flow through a proxy (or proxy chain)

proxyper

distributed.net personal proxy

proxytunnel

program that connects stdin and stdout to a server somewhere on the network, through a standard HTTPS proxy

prtunnel

ps3mediaserver

pspacer

PSPacer is a precise software pacer of IP traffic for Linux

pssh

ptunnel

puf

A download tool for UNIX-like systems.

pump

This is the DHCP/BOOTP client written by RedHat

putty

UNIX port of the famous Telnet and SSH client

pycnb

pyhoca-cli

pyload

pymazon

pyneighborhood

GTK+ 2 rewrite of LinNeighborhood

pytvshows

downloads torrents for TV shows from RSS feeds provided by tvRSS.net.

qconnman

qloaderd

qpid-cpp

qrdc

qtm

Qt4 blogging client

qtnx

A Qt-based NX client using nxcl

quagga

A free routing daemon replacing Zebra supporting RIP, OSPF and BGP.

quantum

quickshare

r1000

Drivers for Realtek 8168 8169 8101 8111 based PCI-E/PCI Ethernet Cards

r8168

rabbitmq-server

RabbitMQ is a high-performance AMQP-compliant message broker written in Erlang.

rabbitmq-stomp-plugin

raccess

Remote Access Session is an systems security analyzer

radvd

Linux IPv6 Router Advertisement Daemon

rancid

rancid-git

rdate

use TCP or UDP to retrieve the current time of another machine

rdesktop

A Remote Desktop Protocol Client

rdesktop-brute

A Remote Desktop Protocol Client

rdpdesk

redir

Redir is a port redirector.

remmina

Gtk+/GNOME Remote Desktop Client

remserial

rexjuniper

rigelmcr

rinetd

redirects TCP connections from one IP address and port to another

ris-linux

rsget-pl

Random content downloader

rsync

File transfer program to keep remote files into sync

rtorrent-notify

rwbs

Roger Wilco base station

rwhoisd

ARIN rwhois daemon

rygel

Rygel is a collection of DLNA (UPnP AV) services.

s3cmd

command line S3 client

sambascanner

a tool to search a whole samba network for files

samplicator

scponly

A tiny pseudoshell which only permits scp and sftp

secpanel

Graphical frontend for managing and running SSH and SCP connections

selfdhcp

a small stealth network autoconfigure software.

sendfile

SAFT implementation for UNIX and serves as a tool for asynchronous sending of files in the Internet

sendspace-cli

ser

SIP Express Router

ser2net

Serial To Network Proxy

serralogin

sgopherd

shell-oaiharvester

shigofumi

shmux

Program for executing the same command on many hosts in parallel

shout

Shout is a program for creating mp3 stream for use with icecast or shoutcast

sip-router

sipcalc

Sipcalc is an advanced console-based IP subnet calculator.

sipp

A free Open Source test tool and traffic generator for the SIP protocol

siproxd

masquerading SIP proxy

sipsak

small command line tool for testing SIP applications and devices

sitecopy

sitecopy is for easily maintaining remote web sites

sjphone

VOIP softphone supports both SIP and H.323 standards

sks

slimrat

Linux Rapidshare downloader

smb4k

Smb4K is a SMB share browser for KDE.

smbc

A text mode (ncurses) SMB network commander. Features: resume and UTF-8

smcroute

snarf

Small and fast command line resource grabber with support for http, gopher, finger, and ftp protocols.

sobby

Standalone Obby server

socat

Multipurpose relay (SOcket CAT)

sock

A shell interface to network sockets

socket

A shell-level interface to TCP sockets

sockfwd

sparkleshare

spdylay

spice-gtk

spiped

spread

Distributed network messaging system

srx-pci4s0

ssh-askpass-fullscreen

A small SSH Askpass replacement written with GTK2.

ssh-chain

sshmenu

A gnome applet interface to SSH

sshpass

sshstart

ssl-admin

sslh

SSLH lets one accept both HTTPS and SSH connections on the same port

sslstrip

ssltunnel

SSLTunnel is a client/server program to create a PPP connection over a SSL/TLS session.

sslwrap

TSL/SSL - Port Wrapper

sstp-client

ssvnc

VNC viewer that adds encryption security to VNC connections

stallone

stargazer

stone

A simple TCP/IP packet repeater

streamtuner

Stream directory browser for browsing internet radio streams

streamtuner2

strongswan

Open Source implementation of IPsec for the Linux operating system.

stund

stunnel

TLS/SSL - Port Wrapper

stuntman

subsonic

suite3270

Complete 3270 access package

switzerland

Switzerland Network Testing Tool

synology-assistant

t50

taptap

taylor-uucp

Taylor UUCP

tcpick

A tcp stream sniffer, tracker and capturer.

tcpsound

Play sounds in response to network traffic

tcptunnel

tcputils

A small collection of programs to facilitate TCP programming in shell-scripts

teamviewer

teardrop

query multiple search engines at the same time

telnet-bsd

Telnet and telnetd ported from OpenBSD with IPv6 support

telnet-password-honeypot

termpkg

Termpkg, the Poor Man's Terminal Server

termtter

Termtter is a terminal based twitter client

tho-rsync

throttle

Bandwidth limiting pipe

tiebasprit

tiers

Random network topography generator

tigervnc

Remote desktop viewer display system

tightvnc

A great client/server software package allowing remote network access to graphical desktops.

tinc

tinc is an easy to configure VPN implementation

tipcutils

Utilities for TIPC (Transparent Inter-Process Communication)

tlsdate

tn5250

Telnet client for the IBM AS/400 that emulates 5250 terminals and printers.

tokyotyrant

A network interface to Tokyo Cabinet

tor

Anonymizing overlay network for TCP

tor-arm

trickle

a portable lightweight userspace bandwidth shaper

tsclient

GTK2 frontend for rdesktop

ttytter

tucan

Manages automatic downloads and uploads from one-click hosting sites like RapidShare

turpial

twident

uanytun

Tiny VPN daemon using Secure Anycast Tunneling

ucarp

Portable userland implementation of Common Address Redundancy Protocol (CARP).

udhcp

udpcast

Multicast file transfer tool

udpxy

uftp

umph

unison

Two-way cross-platform file synchronizer

unix2tcp

a connection forwarder that converts Unix sockets into TCP sockets

upnp-router-control

url-dispatcher

urlview

extracts urls from text and will send them to another app

ut-vpn

utelnetd

A small Telnet daemon, derived from the Axis tools

utm5

valve

Copies data while enforcing a specified maximum transfer rate

vatsinator

vconfig

802.1Q vlan control utility

vde

vde2 is a virtual distributed ethernet emulator for emulators like qemu, bochs, and uml.

vidalia

Qt 4 front-end for Tor

videojak

An IP Video security assessment tool

vinagre

VNC Client for the GNOME Desktop

vino

An integrated VNC server for GNOME

vmnet

A simple virtual networking program - SLIP over stdin/out

vmpsd

An open-source VLAN management system

vncrec

VNC session recorder and player

vncsnapshot

A command-line tool for taking JPEG snapshots of VNC servers

voipong

tool for detecting all VoIP calls on a pipeline and dumps actual conversation to seperate wav files

vpnc

Free client for Cisco VPN routing software

vpncwatch

A keepalive daemon for vpnc on Linux systems.

vpzone

A flexible, IPv6 layer 3 VPN daemon

vqcc-gtk

vrrpd

vtun

Create virtual tunnels over TCP/IP networks with traffic shaping, encryption, and compression

vuurmuur_conf

wakeonlan

Client for Wake-On-LAN

wanpipe

Linux Voice TDM/WAN Router Package

warvox

Telephone system auditing tool

webcontracts

webdis

WeCase

wget

Network utility to retrieve files from the WWW

whatmask

little C program to compute different subnet mask notations

whois

improved Whois Client

wicd

A lightweight wired and wireless network manager for Linux

wlan2eth

Wlan2eth is a tool that converts wlan pcap to ethernet-like frames.

wol

Wake On LAN client, wakes up hardware that is Magic Packet compliant.

wolman

GUI Wake-on-LAN manager

wput

A tiny, wget-alike program, that is designed to upload files/whole directories to remote ftp-servers

wsdlpull

wssh

x11-ssh-askpass

X11-based passphrase dialog for use with OpenSSH

x2goclient

The X2Go Qt client

x2goserver

The X2Go server

xmuruijie

Red Gaint (RuiJie) EAP-MD5 authentication client in Linux

xorp

The eXtensible Open Router Platform

xrdp

An open source remote desktop protocol(rdp) server.

xsupplicant

Open Source Implementation of IEEE 802.1x

xunlei-lixian

xupnpd

yacsd

YaCS server daemon

yacy

yajhfc

yandex-disk

yasnd

yaydl

Yet Another Youtube DownLoader which is downloading more than youtube

yoono-desktop

you-get

yougrabber

youtube-dl

A small command-line program to download videos from YouTube.

youtube-viewer

ypd

split tcp requests of different type to different servers

ytalk

Multi-user replacement for UNIX talk

yunio

zaptel

Drivers for Digium and ZapataTelephony cards

zebedee

A simple, free, secure TCP and UDP tunnel program

zeromq

zssh

An ssh wrapper enabling zmodem up/download in ssh

zsync

Partial/differential file download client over HTTP which uses the rsync algorithm

6tunnel

htbstat

pcmanx-gtk2

activemq-bin

htpdate

pedro

adjtimex

htsn

pen

aftr

htsn-import

pglinux

aget

httpie

phonesim

aggregate

httptunnel

pimpd

aggregate-flim

httptype

pinba-engine

ahcpd

htun

pipes

aiccu

hylafax

plowshare

amazon-glacier-cmd-interface

hylafaxplus

pmsvn

anytun

iaxclient

poclbm

apt-cacher-ng

iaxcomm

polly

apt-proxy

iaxmodem

pooler-cpuminer

aqbd

icaclient

portfwd

aria2

icecast

pppoat

arm

ices

pps-tools

armory

icmptx

proxychains

arpd

identicurse

proxyper

arpsponge

ieee-oui

proxytunnel

asterisk

ifenslave

prtunnel

asterisk-addons

igb

ps3mediaserver

asterisk-app_backticks

igbvf

pspacer

asterisk-app_changrab

igmpproxy

pssh

asterisk-app_conference

ike

ptunnel

asterisk-app_contest

imdb-tools

puf

asterisk-app_distributor

indicator-bluetooth

pump

asterisk-app_event

iodine

putty

asterisk-app_iconv

ip-sentinel

pycnb

asterisk-app_intercept

ipcalc

pyhoca-cli

asterisk-app_ldap

iperf

pyload

asterisk-app_notify

iplist

pymazon

asterisk-app_rtxfax

ipsc

pyneighborhood

asterisk-app_rxfax

ipsorcery

pytvshows

asterisk-app_valetparking

ipsvd

qconnman

asterisk-cdr_shell

iptux

qloaderd

asterisk-chan_datacard

iputils

qpid-cpp

asterisk-chan_dongle

ipv6calc

qrdc

asterisk-chan_misdn

ipx-utils

qtm

asterisk-chan_ss7

isatapd

qtnx

asterisk-chan_visdn

italc

quagga

asterisk-core-sounds

ixgbe

quantum

asterisk-e164-800notes

ixgbevf

quickshare

asterisk-e164-vcard

ixp4xx

r1000

asterisk-e164imap

java-wakeonlan

r8168

asterisk-extra-sounds

jDownloader

rabbitmq-server

asterisk-format_base64

jigdo

rabbitmq-stomp-plugin

asterisk-g729

jkota

raccess

asterisk-gui

jlj

radvd

asterisk-moh-opsound

jrdesktop

rancid

asterisk-rate_engine

jumpgate

rancid-git

asterisk-res_perl

juniper-vpn

rdate

asterisk-sounds-au

jwhois

rdesktop

asterisk-sounds-de

kamailio

rdesktop-brute

asterisk-sounds-it

karma

rdpdesk

asterisk-sounds-se

kbandwidth

redir

asterisk-spandsp_codec_g726

keychain

remmina

astmanproxy

keyninja

remserial

autossh

kmod-huawei-voice

rexjuniper

autoupnp

knemo

rigelmcr

avbot

knock

rinetd

avsocks

knutclient

ris-linux

axel

kontrolpack

rsget-pl

babel-pinger

kovpn

rsync

babeld

ksshaskpass

rtorrent-notify

babeld-route-share

kumofs

rwbs

badvpn

kvpnc

rwhoisd

balance

kwebget

rygel

batctl

kyototycoon

s3cmd

batman-adv

l7-filter-userspace

sambascanner

bayonne2

l7-protocols

samplicator

bbscp

ladvd

scponly

bcg729

lambdamoo

secpanel

belier

lanmap

selfdhcp

bfgminer

lcr

sendfile

bgpq

ldg-cert-util

sendspace-cli

bgpq3

ldg-version

ser

biabiamiamia

ldminfod

ser2net

binkd

leapcast

serralogin

binki-get-fqdn

libipmsg

sgopherd

bird

libreswan

shell-oaiharvester

birdie

libss7

shigofumi

blinkperl

libteam

shmux

blogtk

linux-eoip

shout

bopm

linux-identd

sip-router

bridge-utils

linuxptp

sipcalc

broadcom-netxtreme2

liveice

sipp

bsdwhois

livestreamer

siproxd

bti

lksctp-tools

sipsak

bwwhois

lldpad

sitecopy

cadaver

lldpd

sjphone

callweaver

logjam

sks

callweaver-svn

logmein-hamachi

slimrat

can-utils

ltsp-client

smb4k

capi4hylafax

ltsp-cluster-lbagent

smbc

capiisdnmon

ltsp-cluster-lbserver

smcroute

cbqinit

ltsp-server

snarf

cbugzilla

lxserver

sobby

cfengine

mailru-cloud

socat

cgminer

makeway

sock

cgterm

mdidentd

socket

chan4watch

mDNSResponder

sockfwd

chaosvpn

mediadownloader

sparkleshare

charm

mediatomb

spdylay

chrony

megaupload-dl

spice-gtk

cisco-vpnclient-3des

memcached

spiped

cjdns

meresco-harvester

spread

clamz

mico

srx-pci4s0

cliaspora

midentd

ssh-askpass-fullscreen

clipgrab

mikutter

ssh-chain

clockspeed

mimms

sshmenu

clockspeed-conf

mindterm

sshpass

cloudvpn

minidlna

sshstart

clusterssh

minissdpd

ssl-admin

cocaine-core

miniupnpd

sslh

connect

minus-desktop-tool

sslstrip

connman

mirall

ssltunnel

connman-ui

miredo

sslwrap

corkscrew

mitter

sstp-client

cpushare

mixminion

ssvnc

csync

mkelfImage

stallone

curl

mknbi

stargazer

dahdi

mobile-broadband-provider-info

stone

dahdi-tools

moblock

streamtuner

danbooru-grabber

mocha

streamtuner2

datapipe

modem-manager-gui

strongswan

dcetest

modemmanager

stund

dchk

modemmanager-classic-interfaces

stunnel

dhcdrop

modemmanager-next

stuntman

dhcp

monast

subsonic

dhcp-fwd

monmotha

suite3270

dhcpcd

mosh

switzerland

dhcpcd-ui

mrouted

synology-assistant

dhcpd-pools

msrprelay

t50

dhcping

mulder-listen-daemon

taptap

dibbler

mulk

taylor-uucp

directvnc

multi

tcpick

distrib

n2n

tcpsound

dlan-linux

nakenchat

tcptunnel

dnetstats

nat-traverse

tcputils

dnprogs

ncp

teamviewer

dns2tcp

ndisc6

teardrop

dnssec-trigger

ndppd

telnet-bsd

drawterm

neatx

telnet-password-honeypot

drivel

nemesis

termpkg

dropbear

neon

termtter

dropbox

netbrake

tho-rsync

dropbox-cli

netcf

throttle

dsbl-testers

netcomics-cvs

tiebasprit

e1000e

netctl

tiers

ebnetd

netdate

tigervnc

econnman

netfleet

tightvnc

efax

netifd

tinc

egear

netifrc

tipcutils

electrum

netkit-bootparamd

tlsdate

elliptics

netkit-bootpd

tn5250

elliptics-eblob

netkit-fingerd

tokyotyrant

email-validator

netkit-routed

tor

emirror

netkit-rsh

tor-arm

emusicj

netkit-rusers

trickle

epoptes

netkit-rwall

tsclient

epoptes-client

netkit-rwho

ttytter

esniper

netkit-talk

tucan

ethercard-diag

netkit-telnetd

turpial

eupnp

netkit-timed

twident

exabgp

netmask

uanytun

f5vpn-login

netpipe

ucarp

faifa

netpipes

udhcp

fakeidentd

netprofiles-ims

udpcast

fatrat

netsed

udpxy

fcoe-utils

netsniff-ng

uftp

firstclass-client

netstat-nat

umph

flashget

networkled

unison

flexget

networkmanager

unix2tcp

fmirror

networkmanager-l2tp

upnp-router-control

fonulator

networkmanager-openconnect

url-dispatcher

forticlient-sslvpn

networkmanager-openswan

urlview

freefilesync

networkmanager-openvpn

ut-vpn

freego

networkmanager-pptp

utelnetd

freerapid

networkmanager-sstp

utm5

freerdp

networkmanager-strongswan

valve

freeswitch

networkmanager-vpnc

vatsinator

freeswitch-esl

nfblockd

vconfig

freeswitch-music

ng-utils

vde

freeswitch-sounds

niceshaper

vidalia

freeswitch-sounds-en

nicovideo-dl

videojak

freeswitch-sounds-ru

nicstat

vinagre

freetdm

novell-bordermanager-clntrust

vino

fsp

novell-client

vmnet

fspclient

novell-client-config

vmpsd

ftpsync

novell-client-env

vncrec

fuse-google-drive

novell-client-script

vncsnapshot

fwknop

novell-ncpenc

voipong

g2ipmsg

novell-ntls

vpnc

gammamoo

npapi-sdk

vpncwatch

ga_wrapper

nsq

vpzone

gcap

nstx

vqcc-gtk

geekcredit

ntp

vrrpd

gemanx

ntpclient

vtun

geoipupdate

nut

vuurmuur_conf

Geomyidae

nut-monitor

wakeonlan

getdate

nx

wanpipe

getht

nxcl

warvox

gip

nxclient

webcontracts

gitso

nxnode

webdis

globus-toolkit

nxplayer

WeCase

gmrender-resurrect

nxsadmin

wget

gnome-blog

nxserver-freeedition

whatmask

gnome-connection-manager

nxserver-freenx

whois

gnome-online-miners

nxweb

wicd

gnome-rdp

ocpy

wlan2eth

gns3

ocsync

wol

gofish

odhcp6c

wolman

gogoc

odhcpd

wput

goog-sitemapgen

ofono

wsdlpull

googlecl

oidentd

wssh

gopher

ola

x11-ssh-askpass

grdesktop

olsrd

x2goclient

grive

omniORB

x2goserver

gsasl

omnitty

xmuruijie

gstm

onioncat

xorp

gsutil

openconnect

xrdp

gtkvncviewer

openggsn

xsupplicant

guacamole-server

openlldp

xunlei-lixian

guidedog

openntpd

xupnpd

gupnp-tools

openpbx_org-svn

yacsd

gvdown

openr2

yacy

gvpe

openrdate

yajhfc

gvrpcd

openrrcp

yandex-disk

gwget

openser

yasnd

gwhois

opensips

yaydl

gwibber

openssh

yoono-desktop

haeredes

openssh-blacklist

you-get

hamachi-gui

openswan

yougrabber

hans

openvpn

youtube-dl

harbalance

openvpn-auth-ldap

youtube-viewer

harpoon

openvpn-mysql-auth

ypd

hashcash

openvpn-radiusplugin

ytalk

haspd

openvswitch

yunio

hath

orbited

zaptel

hermes

osg-ca-certs

zebedee

hlfl

owncloud-client

zeromq

hotot

packETH

zssh

hsc

pavuk

zsync

htbinit

pcapfix