WinPcap

Library pack for network managers

Hide IP

Maintaining your privacy is very simple with this program

NMapWin

Assess your network security by scanning ports

Technitium MAC Address Changer

Change your network card's MAC

DynSite

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

Wireshark

Professional network analyzer

Advanced IP Scanner

Analyze the computers connected to your local network

Hamachi

Tool to create virtual private networks

NetSpeedMonitor

Measure your Internet speed

RouterPassView

Discover the router passwords that you have forgotten

Easy Hide IP

Hide your IP address and your geographic location

Find MAC Address

A simple way to find out MAC addresses

No-IP

Assign a name to your IP address

GFI LANguard

Check the vulnerabilities of your LAN network

Cisco Packet Tracer

Find out how a network behaves

WinBox

Management software for MikroTik routers

Cain & Abel

Easily recover your passwords in Windows

SoftKey Revealer

Recover your applications' product licenses

Advanced RAR Password Recovery

Manage to access files compressed with a password

Password Checkup

Check whether your passwords have been compromised by data leaks

PasswdFinder

Find all your lost passwords

Password Boss

Store all your passwords in a single safe place

Password Decryptor

Discover the passwords hidden behind the asterisks

KRyLack Archive Password Recovery

Extract passwords for ZIP, RAR and ACE files

Advanced Office Password Recovery

Recover your lost passwords from any Microsoft Office file

Browser Password Decryptor

Recover the passwords stored on your browser

Mail PassView

Recover the password for your email account

Magical Jelly Bean Keyfinder

Quickly discover your Windows CD key

hashcat

Efficient tool to decrypt passwords

ProduKey

Comfortably view your operating system's serial number

Password Revealer

Reveal the passwords behind the asterisks