MemInfo

Always know how much RAM memory your PC is using

PC Speed Maximizer

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

jv16 PowerTools

Optimize the performance and stability of Windows

BleachBit

Free space on your hard drive in the easiest way

ASTRA32

Obtain information about your system with maximum accuracy

Fix it Center

Detect and fix any Windows error

DTweak

Complete tool to optimize your computer

TweakNow WinSecret

Powerful tool to optimize Windows

Start-Q

Control all the processes that start with Windows

Eraser

Definitely erases a file from your computer

FCleaner

One of the best free PC maintenance programs available

Argente Disk Cleaner

Remove unnecessary files from your PC

Argente Utilities

Complete utiltiy pack for your PC

HDShredder

The best way to erase any file from your hard drive

O&O SafeErase

Manage to permanently remove any file from your computer

EnhanceMySe7en

Make the most of Windows 7

IE Tab

View websites as if you visited them with Internet Explorer

Video DownloadHelper

Download videos from the Internet by means of Firefox

FireShot

Take screen captures from Firefox

Adblock Plus for Firefox

Block Internet adverts

Autofill Forms

Fill in forms automatically

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Shockwave Player

The add-on to play multimedia Flash contents in 3D

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

Ank Pixiv Tool

Download manga images from Pixiv

TV-FOX

More than 2,500 TV channels live from Firefox

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Sparky Alexa Toolbar

Have Alexa's information in your browser

Buffer

Share on social networks the web contents you visit

User Agent Switcher

Tool to switch the user agent used

Zotero

Complete manager for citations