| 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. |
| Spatializer StreamFX: Enhancement software for Linux XMMS Player. 3D stereo, dynamic bass. |
| 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. |
Classical
