ClipX

Keeps up to 1024 objects in the Windows clipboard

Ditto

Copy and paste anything you want and synchronize the clipboard on several PCs

Argente Utilities

Complete utiltiy pack for your PC

PC Pitstop Erase

Clean any trace of personal data from your computer

1ClipBoard

Work with several clipboard items simultaneously

System Mechanic

Optimize your computer's speed

Eraser

Definitely erases a file from your computer

CopyQ

Save your clipboard history and use it when you need it

Ashampoo PowerUp

Adjust your PC in a matter of seconds just like a professional

TweakNow WinSecret

Powerful tool to optimize Windows

Clipboard Master

Simultaneous copying of multiple documents to the clipboard

BleachBit

Free space on your hard drive in the easiest way

Clipboard Fusion

More functions for the Windows clipboard

SpeedOptimizer

Optimize your PC and your Internet connection in only a few clicks

Argente Disk Cleaner

Remove unnecessary files from your PC

FCleaner

One of the best free PC maintenance programs available

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

Video DownloadHelper

Download videos from the Internet by means of Firefox

Shockwave Player

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

IE Tab

View websites as if you visited them with Internet Explorer

Autofill Forms

Fill in forms automatically

Zotero

Complete manager for citations

FireShot

Take screen captures from Firefox

User Agent Switcher

Tool to switch the user agent used

Adblock Plus for Firefox

Block Internet adverts

Ank Pixiv Tool

Download manga images from Pixiv

Sparky Alexa Toolbar

Have Alexa's information in your browser

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Buffer

Share on social networks the web contents you visit

TV-FOX

More than 2,500 TV channels live from Firefox