BleachBit

Free space on your hard drive in the easiest way

EnhanceMySe7en

Make the most of Windows 7

HDShredder

The best way to erase any file from your hard drive

O&O SafeErase

Manage to permanently remove any file from your computer

ASTRA32

Obtain information about your system with maximum accuracy

PC Speed Maximizer

Give your computer more power, fixing the problems it may have

Argente Disk Cleaner

Remove unnecessary files from your PC

jv16 PowerTools

Optimize the performance and stability of Windows

DTweak

Complete tool to optimize your computer

TweakNow WinSecret

Powerful tool to optimize Windows

MemInfo

Always know how much RAM memory your PC is using

Start-Q

Control all the processes that start with Windows

Argente Utilities

Complete utiltiy pack for your PC

Fix it Center

Detect and fix any Windows error

FCleaner

One of the best free PC maintenance programs available

Eraser

Definitely erases a file from your computer

Password Revealer

Reveal the passwords behind the asterisks

KRyLack Archive Password Recovery

Extract passwords for ZIP, RAR and ACE files

Cain & Abel

Easily recover your passwords in Windows

SoftKey Revealer

Recover your applications' product licenses

Password Boss

Store all your passwords in a single safe place

ProduKey

Comfortably view your operating system's serial number

Advanced RAR Password Recovery

Manage to access files compressed with a password

Browser Password Decryptor

Recover the passwords stored on your browser

Password Checkup

Check whether your passwords have been compromised by data leaks

Mail PassView

Recover the password for your email account

Magical Jelly Bean Keyfinder

Quickly discover your Windows CD key

Advanced Office Password Recovery

Recover your lost passwords from any Microsoft Office file

Password Decryptor

Discover the passwords hidden behind the asterisks

PasswdFinder

Find all your lost passwords

hashcat

Efficient tool to decrypt passwords