| abcde | | Command-line utility to rip and encode an audio CD |
| abcmidi | | Command line utilities for working with abc music notation files |
| adplay | | Console-based OPL2 audio player |
| adplug | | AdLib emulator library supporting many formats |
| aeneas | | Automagically synchronize audio and text |
| aften | | ATSC A/52 / AC-3 / Dolby Digital audio encoder |
| aiomixer | | Terminal NetBSD audio mixer / volume control |
| airconnect (V) | | AirPlay bridge to UPnP/Sonos and Chromecast |
| alac | | Basic decoder for Apple Lossless Audio Codec files (ALAC) |
| alacconvert | | Apple Lossless Audio Codec converter by Apple |
| alsa-lib | | Advanced Linux Sound Architecture (ALSA) |
| alsa-plugins-oss | | Advanced Linux Sound Architecture (ALSA) - OSS plugin |
| alsa-plugins-pulse | | Advanced Linux Sound Architecture (ALSA) - PulseAudio plugin |
| alsa-utils | | Advanced Linux Sound Architecture (ALSA) CLI utilities |
| alure | | Helps manage common tasks with OpenAL applications |
| amarok | | KDE audio player |
| amp | | Another mp3 player |
| ampache | | Web-based Audio file manager |
| amsynth | | Software synth with a subtractive synthesizer topology |
| applerecords | | Java DAAP client |
| ardour | | Digital Audio Workstation |
| ario | | Graphical client for mpd using GTK3 |
| asunder | | Graphical CD ripper |
| aubio | | Extracting annotations from audio signals |
| audacious | | Media player based on BMP and XMMS |
| audacious-plugins | | Plugins for Audacious media player |
| audacity | | Multi-track audio editor and recorder |
| audio-mml (V) | | Real-time Audio Tool |
| aumix | | Set mix levels (curses interface only) |
| aumix-gtk | | Set mix levels (curses and GTK+ 2.0 interfaces) |
| bladeenc | | Free MPEG Audio Layer 3 encoder (not decoder) |
| blop | | Bandlimited LADSPA Oscillator Plugins |
| bmp | | Beep Media Player (fork of XMMS to work with GTK+ 2.x) |
| bmp-crossfade | | Crossfading/Gapless Plugin for BMP |
| bmp-mac | | BMP plugin for Monkey's Audio files |
| bmp-pulse | | BMP output plugin for the PulseAudio sound server |
| boca | | Component library used by the fre:ac (audio/freac) |
| buzztrax | | Modular, free, open source music studio |
| cam | | Cpu's Audio Mixer [curses based] |
| castget (V) | | Command-line RSS enclosures dowloader |
| ccxstream (V) | | Program for streaming multimedia content to XBMC over XBMSP protocol |
| cd-discid | | Read CD to obtain CDDB discid information |
| cddb-bundle | | CDDB client bundle |
| cddbd | | Internet CD Database Server |
| cdparanoia | | CDDA reading utility with extra data verification features |
| celt | | Ultra-low-delay, high-quality audio codec (experimental) |
| chromaprint | | Audio fingerprinting |
| cmp3 | | Curses based frontend to mpg123 |
| cmus | | Small, fast and powerful text mode music player |
| cmus-legacy | | Small and fast text mode music player (C99 version) |
| cmusfm | | Last.fm standalone scrobbler for the cmus music player |
| common-mml (V) | | Common multimedia library required by mbone tools |
| cplay | | Curses front-end for various audio players |
| cripple | | Command line CD ripper/encoder wrapper with cddb support |
| cs4235 | | Modifies the 3D mode on Crystal CS4235 sound cards |
| csound6 | | Software synthesizer and sequencer |
| csound6-manual | | Csound6 Reference Manual |
| cutmp3 | | Command line editor for cutting MP3s without quality loss |
| cutoggvorbis | | Command line editor for cutting Ogg Vorbis without quality loss |
| d11amp | | Oldskool MP3 player |
| dap | | Digital audio recording and processing package |
| darkice | | IceCast, IceCast2, and ShoutCast live audio streamer |
| davis | | CLI client for MPD |
| deforaos-mixer | | DeforaOS desktop volume mixer |
| din | | Open source cross-platform sound synthesizer |
| disc-cover | | Generation of CD covers |
| distmp3 | | Distributed mp3 encoding across multiple hosts |
| dovi_tool | | CLI tool for Dolby Vision |
| dssi | | API for audio processing plugins |
| dumb | | Module/tracker based music format parser and player library |
| easyh10 | | Database tool for the iRiver H10 digital audio player |
| easytag | | GTK+ tag editor for MP3, Ogg Vorbis files, and others |
| eawpatches | | Eric A. Welsh' patches (audio samples) for TiMidity |
| eflite | | Speech server for screen readers using Festival Lite |
| emixer | | Frontend for mpg123 that can mix two mp3 streams and fade between them |
| espeak-ng | | Open source speech synthesizer |
| exaile | | Music Player for GTK+ |
| eyeD3 | | Python audio data toolkit (ID3 and MP3) |
| ezstream | | Streaming client for Icecast |
| faac | | AAC audio encoder |
| faad2 | | AAC decoding library |
| fasttracker2 | | Portable Fasttracker II clone in C using SDL 2 |
| faudio | | Accuracy-focused XAudio reimplementation for open platforms |
| fdk-aac | | Fraunhofer FDK AAC Codec Library |
| festival | | Advanced multi-lingual speech synthesis system |
| festival-freebsoft-utils | | Festival extensions and utilities for Speech Dispatcher |
| festlex-cmu | | CMU American English pronunciation dictionary for Festival |
| festlex-oald | | Oxford Advanced Learner's pronunciation dictionary for Festival |
| festlex-ogi | | Composite pronunciation dictionary from ogi.edu for festival |
| festlex-poslex | | English lexicon suitable for use with Festival |
| festogi-spanish | | Festival Spanish (Mexican) language support routines (in scheme) |
| festvox-abc | | Mexican Spanish male voice for the festival speech synthesis system |
| festvox-aec | | American English male voice for the festival speech synthesis system |
| festvox-don | | British English male voice for the festival speech synthesis system |
| festvox-el11 | | Castilian Spanish male voice for the festival speech synthesis system |
| festvox-en1 | | MBROLA based British English male voice for festival |
| festvox-hvs | | Mexican Spanish female voice for the festival |
| festvox-jph | | American English male voice for the festival speech synthesis system |
| festvox-kal16 | | 16khz American English male voice for festival |
| festvox-kal8 | | 8khz American English male voice for festival |