Internet Music Capture

Listen to the music that you listen to via Internet

Sibelius

A musical notation program aimed at professionals

AP Tuner

Practical tuner that is specifically for string instruments

Crescendo Music Notation Editor

Write your music scores on the computer

Encore

One of the best applications for music notation

Dany's Virtual Drum

Simple simulator to play the drums

HiRecorder

Excellent audio streaming recorder

EarMaster

Train your music hearing

Overture

Create your scores and play them with VST instruments

Music Maker

An ideal program for non-professional musicians

MuseScore

Versatile music notation application that's totally free

Mario Paint Composer

Compose music with sounds from Mario Bros

Guitar Pro

Compose your own guitar scores and tabs

Finale

Advanced tool to compose scores

Synthesia

Learn how to play the piano while having fun

PDFtoMusic

Listen to your favourite sheet music from PDF files

Buffer

Share on social networks the web contents you visit

Zotero

Complete manager for citations

TV-FOX

More than 2,500 TV channels live from Firefox

Shockwave Player

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

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Ank Pixiv Tool

Download manga images from Pixiv

Sparky Alexa Toolbar

Have Alexa's information in your browser

User Agent Switcher

Tool to switch the user agent used

IE Tab

View websites as if you visited them with Internet Explorer

Adblock Plus for Firefox

Block Internet adverts

FireShot

Take screen captures from Firefox

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

Autofill Forms

Fill in forms automatically

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Video DownloadHelper

Download videos from the Internet by means of Firefox