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 for Windows, macOS, and Linux designed to be a full-featured yet easy-to-use multi-track recording and editing suite.

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

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

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

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.

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

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.

Repetito 3 is a multichannel looper specifically designed for live performances, offering musicians versatile looping capabilities to enhance their live performances.

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

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

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.

Guitar and Bass (G.A.B.) is loaded with useful instructional information geared at having you play like a pro in no time. It supports various instruments/tunings for guitar (6, 7 string), bass (4, 5 string), banjo (4, 5 string), and mandolin are supported by default.

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.

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

JamApp is the perfect audio player for musicians who need to learn complete songs or are just mastering that difficult section.

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

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.

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.

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.

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

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.

OpenChords is a song chord chart management and presentation tool for musicians.

NoteTrainer PRO generates a random sequence of notes in the range selected by the user and controls the speed and accuracy.

Nootka is an application to learn classical score notation by helping you to understand the rules of reading and writing scores.

GarageBand is the easiest way to create a great-sounding song on your Mac.

orDrumbox is an Open Source drum machine app, designed to be as creative as possible with unusual features.

LMMS (previously Linux MultiMedia Studio) is an Open Source digital audio workstation for producing music and modeled after FL Studio.

PianoRollComposer is a MIDI Sequencer/simple DAW that you can use to compose, record, and play music.

Tab Writer is a tablature writing software created as an alternative to writing Guitar and Bass tablature using a text editor.

Free Music Instrument Tuner (FMIT) is a graphical utility for tuning your musical instruments, with error and volume history and advanced features.

GrandOrgue is a sample based pipe organ simulator. When connected to MIDI keyboards and an audio system, it can accurately simulate the sound of a real pipe organ.

drumbit for Chrome allows you to create and save drum patterns as .wav audio files.

Gadwin Rockmer lets you create, edit, print and listen to tablature and sheet music for guitars pianos, drums, and other fretted instruments.

Jniz is designed for musicians as a support tool for musical composition. It allows you to build and to harmonize several voices according to the rules of classical harmony.

Impro-Visor is a music notation tool for producing monophonic lead sheets.

GBK Music makes it easy for musicians to find chords, scales and help in all other aspects of music.

OSCII-bot is a programmable tool for converting OSC to MIDI, MIDI to OSC, MIDI to MIDI, or OSC to OSC, or any combination thereof.

ChordEase allows you to improvise over complex chord progressions no matter what the chords are.

Tuna+ is a desktop tool that can be used for tuning instruments and selecting time rates for musicians of all levels.

Aria Maestosa is an open-source MIDI tracker/editor that lets you compose, edit and play midi files offering keyboard, guitar, drum and controller views.

DvDrum is a Free Quality Drum Simulator.

BestPractice is an excellent way to hear and learn music by slowing down or speeding up music on an MP3 file or even directly from a CD.

Frets on Fire is a music skill game for testing out how fast your fingers are on the guitar and keyboard.

FreePiano is an open source virtual MIDI keyboard and a VST host.

Csound is a sound and music synthesis system, providing facilities for composition and performance over a wide range of platforms.

Phonascus is program for studying music theory that allows you to focus on specific skills and exercises, on both theory and aural training.

d-lusion Drumstation is molded after the the legendary Roland drum synthesizers TR-909, TR-808 and TR-606 and allows you to easily create impressive sounding drum tracks.

Midi Sheet Music is a free program that plays MIDI music files while highlighting the piano notes and sheet music notes.

DGuitar is a Guitar Pro (*.GP4,*.GP3,GTP) viewer and player that works under Windows or any other operating system with Java.

REAPER is a powerful but sensible Windows application designed for the recording, arrangement, editing, mixing and rendering of audio.