Technitium MAC Address Changer

Change your network card's MAC

Easy Hide IP

Hide your IP address and your geographic location

Cisco Packet Tracer

Find out how a network behaves

Wireshark

Professional network analyzer

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

NMapWin

Assess your network security by scanning ports

Advanced IP Scanner

Analyze the computers connected to your local network

WinBox

Management software for MikroTik routers

GFI LANguard

Check the vulnerabilities of your LAN network

Hamachi

Tool to create virtual private networks

No-IP

Assign a name to your IP address

WinPcap

Library pack for network managers

RouterPassView

Discover the router passwords that you have forgotten

NetSpeedMonitor

Measure your Internet speed

Lavasoft Personal Firewall

Prevent anybody accessing your computer without permission

ZoneAlarm ForceField

Browse the Internet with total security

Sygate Personal Firewall

Free firewall that is very easy to use

BlackICE PC Protection

Personal firewall to protect yourself against external attacks

DefenseWall Personal Firewall

Defend your computer from attacks over Internet

ZoneAlarm Free Firewall

Considered as the best free firewall

Online Armor

Protect yourself against Internet dangers with this free firewall

Norton Personal Firewall

The firewall developed by Norton

Comodo Firewall

Protect your PC with this professional firewall

ZoneAlarm Pro

Security and protection at all levels

Bitdefender Internet Security

Antivirus protection, firewall and optimizer all in one

Rising Personal Firewall

Personal and appealing Firewall for Windows

Firewall App Blocker

Make it easier to block applications with the Windows Firewall

Kerio WinRoute Firewall

Improve the security of any corporate network

FortKnox Firewall

Protect your PC against external attacks