Lightning

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

Mozilla F1

Share from a button on your browser

Timeline Remove

Disable the new Facebook Timeline

Foxtana Pro

Have Cortana search Firefox

Faceplus

Express yourself with emoticons on Facebook

YouTube to MP3

Add the option to download music to YouTube

EPUBReader

Enjoy reading eBooks on your browser

Print Edit

Customise the aspect of a web before printing it

Web Developer

Toolbar aimed at web programming

Privacy Badger

Block adverts that violate your privacy

HTTPS Everywhere

Browse in a more secure manner with the HTTPS protocol

Read it Later (Pocket)

Save whatever you don't have time to read

Boomerang for Google Mail

Schedule when to send emails

AniWeather

Firefox add-on to get to know the weather forecast

feedly

RSS feed reader

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Send Anywhere

Quickly and safely send files between devices

SendSpace

Send files to whoever you want

MediaFire Desktop

Share files with your devices and other users

MEGA Privacy

Access your MEGA account from Windows

Proton Drive

A secure and private cloud storage service

Yandex.Disk

Store documents, photos, and videos on the cloud

OneDrive

Microsoft's application for cloud storage

Google Drive

Google's cloud storage service

TransferNow

Tool to transfer files to different devices

4shared Desktop

Store your files on the cloud

Google Backup and Sync

Backups for your files on Google Drive and Google Photos

iCloud

Manage all your iPhone's contents

Dropbox

Store all your files on the cloud

Filemail

Send large files from your computer

MEGAsync

The official MEGA client for PC