8 Zip Lite

Compressor compatible with several formats

gzip

Free compressor that has been ported from Linux

KuaiZip

A free multiformat compressor

UltimateZip

Powerful tool to decompress any sort of file

Bandizip

A very easy-to-use compressor

WiZ

Free lightweight ZIP compressor

PowerArchiver

One of the most powerful multiformat compressors

DataNumen RAR Repair

Repair RAR and SFX files

BitZipper

Compressor with support for many formats

UPX

Compress your executable files

WinAce

The best compression application for ACE files

WinArchiver

Comprehensive tool to work with compressed files

FILEminimizer Office

Reduce the size of your Office files up to 98%

ArcConvert

Transform a file's compression format

Free RAR Extract Frog

Decompress your RAR file free

Hamster Free ZIP Archiver

Quickly compress and extract your files

AP Tuner

Practical tuner that is specifically for string instruments

Piano Marvel

Entertaining and effective classes to learn to play the piano online

Finale

Advanced tool to compose scores

MuseScore

Versatile music notation application that's totally free

Crescendo Music Notation Editor

Write your music scores on the computer

Dany's Virtual Drum

Simple simulator to play the drums

Guitar Pro

Compose your own guitar scores and tabs

Synthesia

Learn how to play the piano while having fun

PDFtoMusic

Listen to your favourite sheet music from PDF files

Sibelius

A musical notation program aimed at professionals

Music Maker

An ideal program for non-professional musicians

Overture

Create your scores and play them with VST instruments

Mario Paint Composer

Compose music with sounds from Mario Bros

EarMaster

Train your music hearing

Encore

One of the best applications for music notation