Norton Power Eraser

The last chance to remove viruses

OWASP Mantra

A pack of tools to check a website's security

SpyHunter

Find viruses and dangerous software

RogueRemover

Remove false antivirus alarms from your computer

Ghidra

The NSA's reverse engineering tools

Emsisoft Anti-Malware

Keep your computer protected against any threat

Preventon

Protection against Internet dangers and malware

FileASSASSIN

Unblock and eliminate the malicious and unwanted files from your computer.

Mandiant Redline

Audit your computer in search of malware

360 NSA Cyber Weapons Defense Tool

Security tool against the NSA's cyberweapons

RogueKiller

Protect your computer against any malware

RKill

Put a halt to all the dangerous processes that run in the background

WOT Internet Explorer

Discover if a website is dangerous with this plug-in

Latch Antiransomware

Anti-ransomware tool created by Telefónica's cybersecurity division

BitDefender USB Immunizer

Eliminate malicious auto-executable files from your USB pendrives

Winpooch Watchdog

Make sure your programs don't carry out dangerous operations

Zotero

Complete manager for citations

Buffer

Share on social networks the web contents you visit

Adblock Plus for Firefox

Block Internet adverts

Autofill Forms

Fill in forms automatically

User Agent Switcher

Tool to switch the user agent used

Video DownloadHelper

Download videos from the Internet by means of Firefox

Sparky Alexa Toolbar

Have Alexa's information in your browser

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

TV-FOX

More than 2,500 TV channels live from Firefox

Ank Pixiv Tool

Download manga images from Pixiv

IE Tab

View websites as if you visited them with Internet Explorer

Shockwave Player

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

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

FireShot

Take screen captures from Firefox