Web Developer

Toolbar aimed at web programming

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Boomerang for Google Mail

Schedule when to send emails

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Read it Later (Pocket)

Save whatever you don't have time to read

Privacy Badger

Block adverts that violate your privacy

EPUBReader

Enjoy reading eBooks on your browser

IE Tab

View websites as if you visited them with Internet Explorer

Foxtana Pro

Have Cortana search Firefox

AniWeather

Firefox add-on to get to know the weather forecast

feedly

RSS feed reader

Lightning

Thunderbird add-on that adds personal organizer functions to the application

Mozilla F1

Share from a button on your browser

HTTPS Everywhere

Browse in a more secure manner with the HTTPS protocol

YouTube to MP3

Add the option to download music to YouTube

Timeline Remove

Disable the new Facebook Timeline

FileASSASSIN

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

Ghidra

The NSA's reverse engineering tools

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

RogueKiller

Protect your computer against any malware

RogueRemover

Remove false antivirus alarms from your computer

BitDefender USB Immunizer

Eliminate malicious auto-executable files from your USB pendrives

Preventon

Protection against Internet dangers and malware

Latch Antiransomware

Anti-ransomware tool created by Telefónica's cybersecurity division

360 NSA Cyber Weapons Defense Tool

Security tool against the NSA's cyberweapons

OWASP Mantra

A pack of tools to check a website's security

Mandiant Redline

Audit your computer in search of malware

Norton Power Eraser

The last chance to remove viruses

Winpooch Watchdog

Make sure your programs don't carry out dangerous operations