Schism Tracker is a reimplementation of Impulse Tracker, a program used to create high quality music without the requirements of specialized, expensive equipment, and with a unique "finger feel" that is difficult to replicate in part. The player is based on a highly modified version of the ModPlug engine, with a number of bugfixes and changes to improve IT playback.

Drumkv1 is an old-school drum-kit sampler synthesizer with stereo effects.

This package provides the LV2 plugin "GxToneMender", a clean boost effect with a 3-knob tonestack.

abjad-ext-nauert provides classes for dealing with composer and music theorist Paul Nauert's quantization grids or Q-Grids, for short.

Playerctl is a command-line utility and library for controlling media players that implement the MPRIS D-Bus Interface Specification. Playerctl makes it easy to bind player actions, such as play and pause, to media keys. You can also get metadata about the playing track such as the artist and title for integration into status line generators or other command-line tools.

FMIT is a graphical utility for tuning musical instruments, with error and volume history, and advanced features.

The MusicBrainz Client Library (libmusicbrainz), also known as mb_client, is a development library geared towards developers who wish to add MusicBrainz lookup capabilities to their applications.

MilkyTracker is a music application for creating .MOD and .XM module files. It attempts to recreate the module replay and user experience of the popular DOS program Fasttracker II, with special playback modes available for improved Amiga ProTracker 2/3 compatibility.

Aj-snapshot is a small program that can be used to make snapshots of the connections made between JACK and/or ALSA clients. Because JACK can provide both audio and MIDI support to programs, aj-snapshot can store both types of connections for JACK. ALSA, on the other hand, only provides routing facilities for MIDI clients. Aj-snapshot is meant to be used from the command line.

Rosegarden is a music composition and editing environment based around a MIDI sequencer that features a rich understanding of music notation and includes basic support for digital audio.

This is a mixer application to control the Tascam US-16x08 audio interface. This device contains about 280 control elements and this mixer application aims to provide comfortable access to the DSP effects the device supports.

klick is an advanced command-line based metronome for JACK. It allows you to define complex tempo maps for entire songs or performances.

This package provides LV2 audio utility plugins, such as filters, crossovers, simple gain plugins without zipper noise, switch box plugins, a switch trigger, a toggle switch, and a peakmeter.

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 "GxVintageFuzzMaster", a simulation of the vintage Fuzz Master pedal.

This is the continuation of the official Discogs API client for Python. It enables you to query the Discogs database for information on artists, releases, labels, users, Marketplace listings,and more. It also supports OAuth 1.0a authorization, which allows you to change user data such as profile information, collections and wantlists,inventory, and orders.

Fabla is an LV2 drum sampler plugin instrument. It is ideal for loading up your favorite sampled sounds and bashing away on a MIDI controller.

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.

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.

PaulXStretch is an application/plugin is based on the PaulStretch algorithm (Paul’s Extreme Time Stretch, originally developed by Nasca Octavian Paul), and specifically the PaulXStretch version from Xenakios.

Wolf Spectrum is a real-time 2D spectrogram plugin. It is provided as an LV2 plugin and as a standalone Jack application.

Mutagen is a Python module to handle audio metadata. It supports ASF, FLAC, M4A, Monkey’s Audio, MP3, Musepack, Ogg FLAC, Ogg Speex, Ogg Theora, Ogg Vorbis, True Audio, WavPack and OptimFROG audio files. All versions of ID3v2 are supported, and all standard ID3v2.4 frames are parsed. It can read Xing headers to accurately calculate the bitrate and length of MP3s. ID3 and APEv2 tags can be edited regardless of audio format. It can also manipulate Ogg streams on an individual packet/page level.

This project is a fork of the Android Open Source Project platform_external_sonivox. It is a Wave Table synthesizer, using embedded samples. It also supports external DLS soundfont files. It is also a real time GM synthesizer.

Midicsv reads a standard MIDI file and decodes it into a comma-separated value file (CSV), which preserves all the information in the MIDI file. The ASCII CSV file may be loaded into a spreadsheet or database application, or processed by a program to transform the MIDI data (for example, to key transpose a composition or extract a track from a multi-track sequence). A CSV file in the format created by midicsv may be converted back into a standard MIDI file with the csvmidi program.