SumatraPDF

One of the lightest PDF document viewers

doPDF

Convert any file to PDF

My PDF Converter

Convert documents into PDF format

Briss

Cut PDF documents to view them on your eBook

JPGasPDF

An easy and quick way to create PDF files

PDF Studio

Complete PDF document editor

Ghostscript

The ultimate PostScript file interpreter

Simpo PDF Password Remover

Easily remove passwords from PDF files

Corel PDF Fusion

Create and edit PDF documents with this complete tool by Corel

Bullzip PDF Printer

Easily create PDFs by simulating that you are printing a document

PrimoPDF

Transform text documents into PDF files

CalendarPainter

Create your own calendar in six simple steps

Flipping PDF Reader

A PDF viewer with flip page effects

First PDF

PDF file converter

PaperScan

Improve your scanning quality

Evince

A brilliant open source PDF and PostScript viewer

Dany's Virtual Drum

Simple simulator to play the drums

Music Maker

An ideal program for non-professional musicians

Mario Paint Composer

Compose music with sounds from Mario Bros

Finale

Advanced tool to compose scores

Synthesia

Learn how to play the piano while having fun

Piano Marvel

Entertaining and effective classes to learn to play the piano online

Overture

Create your scores and play them with VST instruments

AP Tuner

Practical tuner that is specifically for string instruments

PDFtoMusic

Listen to your favourite sheet music from PDF files

Crescendo Music Notation Editor

Write your music scores on the computer

Sibelius

A musical notation program aimed at professionals

Guitar Pro

Compose your own guitar scores and tabs

EarMaster

Train your music hearing

Encore

One of the best applications for music notation

MuseScore

Versatile music notation application that's totally free