NMapWin

Assess your network security by scanning ports

Technitium MAC Address Changer

Change your network card's MAC

WinPcap

Library pack for network managers

Find MAC Address

A simple way to find out MAC addresses

Wireshark

Professional network analyzer

Hamachi

Tool to create virtual private networks

DynSite

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

WinBox

Management software for MikroTik routers

NetSpeedMonitor

Measure your Internet speed

No-IP

Assign a name to your IP address

Cisco Packet Tracer

Find out how a network behaves

RouterPassView

Discover the router passwords that you have forgotten

Advanced IP Scanner

Analyze the computers connected to your local network

GFI LANguard

Check the vulnerabilities of your LAN network

Hide IP

Maintaining your privacy is very simple with this program

Easy Hide IP

Hide your IP address and your geographic location

Start8

Add a start menu to your Windows 8

TopDesk

Change quicker between windows

DimScreen

Adjust your monitor's brightness

Actual Transparent Window

Give your windows different transparency levels

CloseAll

Close open windows

Pokki

Recover the Start menu in Windows 8

Clover

Multi-tab function for Windows Explorer

MaxiVista

Use up to four computers to extend your desktop

QuickLook

Quick view of our files by pressing the space bar

Bexplorer

Alternative to Windows file explorer

Classic Shell

Tricks and settings for the start menu and the explorer

Vista Sidebar

Get hold of the Vista widgets on Windows XP

StartIsBack

Put your Windows 7 Start menu on Windows 8

RocketDock

Get you hands on the Mac OS X dock for Windows

Multibar

A useful toolbar to be placed on your desktop