The Non Sequencer is a powerful, lightweight, real-time, pattern-based MIDI sequencer. It utilizes the JACK Audio Connection Kit for MIDI I/O and the NTK GUI toolkit for its user interface. Everything in Non Sequencer happens on-line, in real-time. Music can be composed live, while the transport is rolling.

This package provides Python bindings for the Libdiscid library. The main purpose is the calculation of Disc IDs for use with the MusicBrainz database. Additionally the disc Media Catalog Number (MCN) and track International Standard Recording Code (ISRC) can be extracted.

Yoshimi is a fork of ZynAddSubFX, a feature-heavy real-time software synthesizer. It offers three synthesizer engines, multitimbral and polyphonic synths, microtonal capabilities, custom envelopes, effects, etc. Yoshimi improves on support for JACK features, such as JACK MIDI.

a2jmidid is a daemon that implements automatic bridging of ALSA midi devices to JACK midi devices.

Frescobaldi is a LilyPond sheet music text editor with syntax highlighting and automatic completion. Among other things, it can render scores next to the source, can capture input from MIDI or read MusicXML and ABC files, has a MIDI player for proof-listening, and includes a documentation browser.

pianobar is a console-based music player for the personalized online radio pandora.com. It has configurable keys for playing and managing stations, can be controlled remotely via fifo, and can run event-based scripts for scrobbling, notifications, etc.

This package provides a multi-channel MIDI step sequencer LV2 plugin with a selectable pattern matrix size.

Bristol is an emulation package for a number of different classic synthesizers including additive and subtractive and a few organs. The application consists of the engine, which is called bristol, and its own GUI library called brighton that represents all the emulations. There are currently more than twenty different emulations; each does sound different although the author maintains that the quality and accuracy of each emulation is subjective.

Abjad helps composers build up complex pieces of music notation in iterative and incremental ways. Use Abjad to create a symbolic representation of all the notes, rests, chords, tuplets, beams and slurs in any score. Because Abjad extends the Python programming language, you can use Abjad to make systematic changes to music as you work. Because Abjad wraps the LilyPond music notation package, you can use Abjad to control the typographic detail of symbols on the page.

Pragha is a lightweight music player based on Gtk and sqlite. It is constructed to be fast, light, and simultaneously tries to be complete without obstructing your daily work.

Collection of audio plugins built with the DISTRHO Plugin Framework (DPF) available in LADSPA, DSSI, LV2 and VST2 formats. This package includes the following plugins: glBars, Kars, Max-Gen examples (MaBitcrush, MaFreeverb, MaGigaverb, MaPitchshift), Mini-Series (3BandEQ, 3BandSplitter, PingPongPan), ndc-Plugs (Amplitude Imposer, Cycle Shifter, Soul Force), MVerb, Nekobi, and ProM.

Musikcube is a terminal-based music player, library, and streaming audio server.

This package provides an MQTT interface extension for Mopidy music server.

PianoBooster is a MIDI file player that displays the musical notes and teaches you how to play the piano. The difference between playing along to a CD or a standard MIDI file is that Piano Booster listens and reacts to what you are playing on a MIDI piano keyboard. You can play along to any track in the MIDI file and Piano Booster will follow your playing.

This package provides the LV2 plugin "GxSwitchlessWah", a simulation of an analog Wah pedal with switchless activation.

Zrythm is a digital audio workstation designed to be featureful and easy to use. It offers unlimited automation options, LV2 plugin support, JACK support and chord assistance.

The Non Timeline is a powerful, reliable and fast modular digital audio timeline arranger. It utilizes JACK for inter-application audio I/O and the NTK GUI toolkit for a fast and lightweight user interface. Non Timeline can be used alone or in concert with Non Mixer and Non Sequencer to form a complete studio.

GNU cursynth is a polyphonic synthesizer that runs graphically in the terminal. It is built on a full-featured subtractive synthesis engine. Notes and parameter changes may be entered via MIDI or the computer's keyboard.

Synthv1 is an old-school subtractive polyphonic synthesizer with four oscillators and stereo effects.

Pure Data (aka Pd) is a visual programming language. Pd enables musicians, visual artists, performers, researchers, and developers to create software graphically, without writing lines of code. Pd is used to process and generate sound, video, 2D/3D graphics, and interface sensors, input devices, and MIDI. Pd can easily work over local and remote networks to integrate wearable technology, motor systems, lighting rigs, and other equipment. Pd is suitable for learning basic multimedia processing and visual programming methods as well as for realizing complex systems for large-scale projects.

isrcsubmit is a tool to extract International Standard Recording Code (ISRCs) from audio CDs and submit them to MusicBrainz.

B.Choppr cuts the audio input stream into a repeated sequence of up to 16 chops. Each chop can be leveled up or down (gating). B.Choppr is the successor of B.Slizr.

This package provides the Rakarrack effects as LV2 plugins. The ports are done such that hopefully when Rakarrack gets an active maintainer these will get merged into the original project.

TuxGuitar is a guitar tablature editor with player support through midi. It can display scores and multitrack tabs. TuxGuitar provides various additional features, including autoscrolling while playing, note duration management, bend/slide/vibrato/hammer-on/pull-off effects, support for tuplets, time signature management, tempo management, gp3/gp4/gp5 import and export.