MuseScore is a free scorewriter for Windows, macOS, and Linux.

Hydrogen is an advanced drum machine for GNU/Linux. Its main goal is to bring professional yet simple and intuitive pattern-based drum programming.

Synthesia is a video game and piano keyboard trainer for Microsoft Windows and Mac OS X, which allows users to play a MIDI keyboard or use a computer keyboard…

KaraFun is the best online karaoke. Over 27000 karaoke songs, with studio quality, at home or on the go.

TuxGuitar is a free, open source tablature editor, which includes features such as tablature editing, score editing, and import and export of Guitar Pro gp3, …

Pro Tools redefined the music, film, and TV industry, providing everything you need to compose, record, edit, and mix music and audio.

LinuxSampler is a music sampler, aiming to provide a pure software audio sampler with professional grade features.

Denemo is a free software graphical interface for music notation, mainly to GNU LilyPond, a program for engraving musical scores.