Bandizip

A very easy-to-use compressor

ZipGenius

All the necessary tools to create, open and administer compressed files

BitZipper

Compressor with support for many formats

ArcConvert

Transform a file's compression format

FILEminimizer Office

Reduce the size of your Office files up to 98%

WiZ

Free lightweight ZIP compressor

WinArchiver

Comprehensive tool to work with compressed files

KuaiZip

A free multiformat compressor

gzip

Free compressor that has been ported from Linux

DataNumen RAR Repair

Repair RAR and SFX files

Free RAR Extract Frog

Decompress your RAR file free

WinAce

The best compression application for ACE files

UPX

Compress your executable files

8 Zip Lite

Compressor compatible with several formats

Hamster Free ZIP Archiver

Quickly compress and extract your files

PowerArchiver

One of the most powerful multiformat compressors

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

FireShot

Take screen captures from Firefox

Autofill Forms

Fill in forms automatically

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Buffer

Share on social networks the web contents you visit

User Agent Switcher

Tool to switch the user agent used

TV-FOX

More than 2,500 TV channels live from Firefox

Ank Pixiv Tool

Download manga images from Pixiv

Shockwave Player

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

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Video DownloadHelper

Download videos from the Internet by means of Firefox

Adblock Plus for Firefox

Block Internet adverts

Zotero

Complete manager for citations

IE Tab

View websites as if you visited them with Internet Explorer

Sparky Alexa Toolbar

Have Alexa's information in your browser