Miranda IM

All the messaging networks in a single program

MSN Spy Monitor

Monitor all the conversation that you maintain over MSN

PMSN Paraiso

Customize your messenger

IMBooster

Entertaining collection of emoticons and winks for Messenger

Messenger Plus!

Add more functionalities to Skype

aMSN

The messaging client to communicate on Microsoft's network

Pidgin

Instant messaging compatible with MSN, Yahoo!, ICQ, IRC, Jabber,...

Palringo

The alternative to TalkBox on Windows

Softros LAN Messenger

An instant messaging client for private netsworks, ideal for workplaces and companies

Nimbuzz

Multi-network instant messaging client

Yahoo! Messenger

Yahoo!'s instant messaging service

Messenger Backup Wizard

Easily backup your Messenger

MSN Messenger 7

The most successful instant messenger

Free MSN Emoticons Pack 4

Add 22 amazing emoticons to your MSN messenger

MSN Messenger 7.5

The best instant messenger on your Windows XP

Pidgin Portable

Keep in touch with your contacts wherever you are

Packetyzer

Packet capturer based on the Ethereal project

IPConfig

A graphical interface for the command of the same name

No-IP

Assign a name to your IP address

NMapWin

Assess your network security by scanning ports

Angry IP Scanner

Scan both IPs and port ranges

Real Hide IP

Hide you IP address from prying eyes

Easy Hide IP

Hide your IP address and your geographic location

Hide IP

Maintaining your privacy is very simple with this program

DynSite

Automatically updates your dynamic IP, very useful for dynamic Internet connections

Find MAC Address

A simple way to find out MAC addresses

NetworkMiner

Analyze passively the packets of your local network

NetGhost

Define your IP for each WLAN that you connect to

Advanced IP Scanner

Analyze the computers connected to your local network