Affinity Photo

Powerful image editor

Photo! Editor

Simple photograph editor with many options

Nik Collection

Google's photo enhanhancement and editing suite

GrafX2

Alternative graphic to Windows' Paint

VSO Image Resizer

Organize your photos and reduce their resolution to use them in emails and files

PhotoDirector

Modern solution for creative photo editing

Picture It!

Edit photos and make them be part of other projects

PhotoScape X Pro

The most complete version of possibly the best Photoshop alternative

Snapseed

An easy-to-use photo editor

Olympus Master

Make the most of your photo camera

Adobe Photoshop Lightroom

Manage your photos with this professional software

Fresh Paint

Transform images into canvas paintings

Camera Raw

Work with RAW images straight in Photoshop

Krita

Powerful image editor for free

FaceOnBody

Create entertaining photo montages

Arcsoft PhotoStudio

A complete photography studio at the tip of your fingers

Sparky Alexa Toolbar

Have Alexa's information in your browser

Adblock Plus for Firefox

Block Internet adverts

IE Tab

View websites as if you visited them with Internet Explorer

Shockwave Player

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

User Agent Switcher

Tool to switch the user agent used

Autofill Forms

Fill in forms automatically

TV-FOX

More than 2,500 TV channels live from Firefox

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Buffer

Share on social networks the web contents you visit

Ank Pixiv Tool

Download manga images from Pixiv

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

FireShot

Take screen captures from Firefox

Video DownloadHelper

Download videos from the Internet by means of Firefox

Zotero

Complete manager for citations