n-Track Studio is an audio & MIDI multitrack recorder that will turn your computer into a full-fledged recording studio.

Audacity is an Open Source audio application for Windows, macOS, and Linux designed to be a full-featured yet easy-to-use multi-track recording and editing suite.

LilyPond is a text-based music engraver; it is more similar to a programming language than a graphical score editing program.

REAPER is an application that lets you record, arrange, edit, and render multi-track waveform audio. The last freeware version also available.

Audacity is an Open Source audio application designed to be a full-featured, yet easy to use multi-track recording and editing suite.

TuneLite is an app designed to help musicians learn to play songs by slowing or speeding up the tempo, repeating sections, creating loops, and adjusting pitch.

MuseScore Portable, via PortableApps, is a free and Open Source music notation program that offers a cost-effective alternative to commercial programs such as Sibelius and Finale. Installer, Linux, Mac, and Android are also available.

MultitrackStudio is an audio/MIDI multitrack recording software for Windows.

MuseScore is a free music notation program that offers a cost-effective alternative to commercial programs such as Sibelius and Finale. MuseScore Portable is also available.

Virtual MIDI Piano Keyboard (VMPK) is a virtual MIDI piano keyboard based on Qt and Drumstick. The program is a MIDI event generator using the computer's alphanumeric keyboard and the mouse. It may be used also to display received MIDI notes.

ToneLib GFX is a multi-platform collection of free guitar amps, speaker cabinets and effects allowing for simplified use during recording sessions or while jamming.

Chord Cadenza will help you play and improvise chords while a MIDI file or audio source is played.

Hydrogen is an advanced drum machine with a main goal to bring professional yet simple and intuitive pattern-based drum programming.

Everyone Piano can play piano notes from your computer's keyboard to allow everyone to learn or improve their piano skills.

Superstring lets musicians create their own lyric videos.

Alternate Chord allows you to exercise your fingers and learn basic guitar chords and scales along with a handy playback option.

Anvil Studio is the perfect piece of multimedia software for when you want to compose or record music with audio equipment, print sheet music, and more.

ToneLib JAM provides a free comprehensive platform for creating, editing, printing and listening to tablature and sheet music for guitar and other fretted instruments.

Cakewalk provides you with everything needed to easily compose complete songs and performances with creative songwriting tools and instruments for free.

ScoreCloud is a software service for music notation, as well as sheet music storing and sharing.

Jamulus enables musicians to perform real-time jam sessions over the internet.

Samplitude Music Studio is a full-featured suite to help you create, mix and master your songs.

FATpick is a comprehensive learning utility for budding guitar and bass players using the music you want to master to help craft your skills.

TuxGuitar is a multitrack guitar tablature editor and player. With TuxGuitar, you will be able to compose music.

Notation Player allows you to display MIDI music (.mid, .kar, or .not ) files in sheet music format as the song plays.