GFI LANguard

Check the vulnerabilities of your LAN network

WinPcap

Library pack for network managers

Fing

Scan and analyze your computer network

Technitium MAC Address Changer

Change your network card's MAC

Hide IP

Maintaining your privacy is very simple with this program

Find MAC Address

A simple way to find out MAC addresses

inSSIDer

Scan nearby Wi-Fi connections

DynSite

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

WinBox

Management software for MikroTik routers

NetSpeedMonitor

Measure your Internet speed

Cisco Packet Tracer

Find out how a network behaves

RouterPassView

Discover the router passwords that you have forgotten

Wireshark

Professional network analyzer

No-IP

Assign a name to your IP address

Hamachi

Tool to create virtual private networks

NMapWin

Assess your network security by scanning ports

Thunderbird

An alternative to traditional email clients

Mailmoa

Great tool to find out when you receive mail

Inky

Receive all your emails in a single client

POP Peeper

The easiest way to be always aware of your email

Spark

Complete mail client compatible with different services

RoboPostman

Customize the email messages that you send

The Bat!

A classic amongst the email managers

Affixa

Integrate Gmail or Yahoo! Mail into Windows

OutlookFIX

Recover damaged or lost Outlook files

JW Inbox

The quickest way of knowing if you have new webmail

DreamMail

Customize your emails with templates

GApp

Program to access Gmaul and Google Calendar

Mailspring

Mail client to boost user productivity

Magic Mail Monitor

Supervise your email servers

Pegasus Mail

Free e-mail client that is full of features