See also:

• Computers: Open Source: Software: Music and Audio  (9)
• Computers: Software: Operating Systems: Linux: Projects: Multimedia: Music and Audio  (7)

• AlsaPlayer - PCM player written for ALSA driver and library, supports other outputs like OSS and esd. Plug-in interface.
• Audio File Library - An API for accessing a variety of audio file formats.
• Aumix - Adjusts an audio mixer. X and ncurses interfaces.
• Baudline Signal Analyzer - Realtime signal analysis and spectrum analyzer tool.
• BEAST/BSE - GTK+/GNOME based front-end to BSE framework to simulate audio synthesis and tracking composition.
• Cdgtools - Suite of tools for handling CD+G karaoke disks and files.
• CoverViewer XMMS Plugin - Displays covers or images related to songs. Internet cover retrieval facility. Handles tagged files, CDs, and streams.
• Dir2ogg - Python script that converts MP3, WAV, and M4A files to Ogg format.
• Ecasound - Audio software for Unix.
• Geoff and Dave's Audio Mixer - A digital audio mixing package.
• GLAME - Free and extensible Linux/Unix audio editor. GNU licence.
• GNOMAD - GTK+ client program for the NOMAD Jukebox, using libnjb and id3lib to handle communications and ID3 tagging.
• Gnome Wave Cleaner - An audio cleanup tool for GNOME. Handles WAV, MP3, and Ogg.
• GramoFile - Assists in moving gramophone records onto CDs. Filters out hiss and pops.
• Grip - Cd-player and cd-ripper. It also provides an automated frontend for MP3 and other audio format encoders.
• IMMS: Intelligent Multimedia Management System - Playlist plug-in for XMMS that tracks the user's listening patterns and dynamically adapts to suit tastes.
• KGuitune - A program for tuning guitars and other instruments that is available for download.
• Lilypond - Creates beautiful music notation from text input. Outputs Postscript, SVG or MIDI files. GNU license.
• Linux Sampler Project - Audio sampler with features similar to hardware samplers. Offers speed, high audio quality rates, supports common sample library formats.
• Matti Koskinen Software - Programs including a de-noiser, MIDI generation from fractals, sound creation from gifs.
• Mixxx - Open source DJ mixer.
• MusE - MIDI/Audio sequencer with recording and editing capabilities.
• Orpheus - Text and window mode audio player for CDs and MP3 with CDDB interface.
• Philip's Music Writer - A music typesetter. Input is a plain text file, output is in PostScript.
• PyKaraoke - CDG/MP3+G karaoke player. Can search inside Zip files.
• Rosegarden - MIDI sequencer and notation editor for Unix-like systems.
• SndStretch - Plug-in for XMMS to adjust pitch and tempo of a sound.
• Sound Processing Kit - An object-oriented class library for audio signal processing.
• SoundTracker - MOD tracker for X, similar to FastTracker. Includes a sample recorder and editor.
• The TAON Project - A sound editor for Linux.
• TiMidity++ - MIDI player, converter to wav. Uses Gravis compatible patches and can play these through soundcards lacking their own patches.
• XMMS-SID SIDplay Plugin - Plug-in for playing Commodore 64 music (SID tunes) with XMMS. Requires libSIDPlay library (link given).
• xmp: Extended Module Player - Open source (GNU GPL) portable module player for Unix or Win32.
• Zero Tolerance's Cue Creator - A small Perl script that allows you to create CUE and MP3/OGG/WAV-files from audio CD's.
• ZynAddSubFX - Synthesizer with two engines, realtime polyphonic, Midi support, microtonal capability, effects.