[[Audio::mp3]]

Abcde: 'abcde' is a frontend to cdparanoia, wget, cd-discid, id3, and your favorite Ogg/MP3/Flac encoder (Oggenc is the default). With one comand, it grabs a CD, converts each track to Ogg/MP3/Flac, and comments or ID3-tags each file. It supports multiple output in a single CD read, volume normalization, gapless encoding (with Lame), parallelization, SMP, HTTP proxies, customizable filename organization and munging, playlist generation, and remote distributed encoding via distmp3.

Achoz: will offer search and tools to reduce your data, keep it clean, fast and easy. in alpha development stage.

Agatha: Agatha is a Web-based MP3 playing system that allows the home user or office group to stream music, create, manage, and share play lists, and control the playing of music on a remote system. It does not require a database and has full play-on-server support.

Airtime: Think of a radio station. Airtime is software that allows multiple people to run it over the internet. Airtime helps them manage the audio archive, upload files, create shows, manage staff, edit the programme calendar and cue playout. Designed specifically for independent media, it's free software.

Amarok: Amarok is a cross-platform multimedia player that uses the Phonon sound server framework to play audio media and streams, and features a fresh and efficient approach to playlist handling. The emphasis is on the quick and easy user interface, allowing for fast access to the media library.

Ampache: Ampache is a Web-based Audio file manager. It is implemented with MySQL, and PHP. It allows you to view, edit, and play your audio files via the web. It has support for playlists, artist and album views, album art, random play, playback via Http/On the Fly Transcoding and Downsampling, Vote based playback, Mpd and Icecast, Integrated Flash Player, as well as per user themes and song play tracking. You can also Link multiple Ampache servers togeather using XML-RPC. Ampache supports GETTEXT translations and has a full translation of many languages

Aqualung: Aqualung is an advanced music player originally targeted at the GNU/Linux operating system, today also running on FreeBSD, OpenBSD and other platforms. It plays audio CDs, internet radio streams and podcasts as well as soundfiles in just about any audio format and has the feature of inserting no gaps between adjacent tracks. It also supports high quality sample rate conversion between the file and the output device, when necessary.

Audacious: Audacious is a free software audio player. A descendant of XMMS, Audacious plays your music how you want it, without stealing away your computer’s resources from other tasks. Drag and drop folders and individual song files, search for artists and albums in your entire music library, or create and edit your own custom playlists. Listen to CD’s or stream music from the Internet. Tweak the sound with the graphical equalizer or experiment with LADSPA effects. Enjoy the modern GTK-themed interface or change things up with Winamp Classic skins. Use the plugins included with Audacious to fetch lyrics for your music, to set an alarm in the morning, and more.

Audacity: Audacity is a cross-platform multitrack audio editor that lets you record sounds directly or import Ogg, WAV, AIFF, AU, IRCAM, or MP3 files. It features a few simple effects, all of the editing features you should need, and unlimited undo. The GUI is built with wxWidgets and the audio I/O currently uses PortAudio.

A collection of bash and perl scripts that help convert audio files.

aac2ogg - a quick and dirty AAC to OGG Vorbis converter.
wma2ogg - simple bash script that uses mplayer to convert ugly WMA files to OGG Vorbis.
reencode - a simple bash script that lets you re-encode MP3 files to higher/lower bitrates. Useful when the resulting MP3 file is going to be on a low-memory device (ie. "MP3" players).

Audio codec 2: 'Audio codec' is part of the LAME project, which is the source code for a fully GPL'd MP3 encoder. The project's goal is to improve the psychoacoustics, noise shaping and speed of MP3.

Av-caster: From the project's README on 29 October 2021: AvCaster is built upon the JUCE framework, utilizing gStreamer as the media backend and libircclient as the chat backend. It is currently capable of recording to file or streaming to an RTMP server with screen capture (full-screen), webcam (full-screen or overlay), and audio (mono or stereo). It is moderately configurable, with preset configurations for streaming via popular servers such as livecoding.tv, and allows custom user-defined configurations to be stored as additional presets. This initial target is GNU/Linux, but it has been designed for portability and includes starter projects for AndroidStudio, CodeBlocks, VisualStudio, and xCode IDEs.

Biblos: 'Biblos' is a powerful indexing tool for managing a cd/mp3 collection as well as local directories. It records full information about each file on the specified media and has a powerful searching tool that can help you find specific files. You can also select a list of files/dirs from the database and Biblos will help you copy them from the source media to the directory choosen.

Bongo: Bongo is a flexible and usable buffer-oriented media player for GNU Emacs.

Bookcase: Bookcase is a collection manager for KDE. It includes default collections for books, bibliographies, comic books, videos, music, coins, stamps, trading cards, and wines; it also allows custom collections and unlimited user-defined fields. The collection may be sorted by any property. Names are formatted automatically. Filters limit the visible entries by definable criteria. User can edit the default XSLT file for full customization for printing. Automatic ISBN validation is included. 'bookcase' can import CSV, Bibtex, and Bibtexml and export CSV, HTML, Bibtex, Bibtexml, and PilotDB.

BurnCDDA: 'burnCDDA' is a console frontend to cdrdao, cdrecord, mpg123, oggdec, mppdec, normalize, and mp3_check. It can be used to create audio CDs from an M3U playlist (the playlist format of XMMS). It supports MP3, OGG Vorbis, Musepack, and WAV files, and it might be the easiest way to copy an audio CD.

Cantus: 'Cantus' is a tool for tagging and renaming MP3 and OGG/Vorbis files. Its features include mass tagging and renaming of MP3s, the ability to generate a tag out of the filename, filter definitions for renaming, recursive actions, CDDB (Freedb) lookup (no CD needed), the ability to copy between ID3V1 and ID3V2 tags, and more.

Christine: Christine lets you play your audio and video files in the same application. In a very very easy way. As christine is inteded to be small, and cute we currently had no support for internet radio station, but we will in the future.

Cmus: cmus (C* Music Player) is a small, fast and powerful console audio player for Unix-like operating systems. It supports almost all common file formats, SHOUTcast/Icecast streaming, and multiple output plugins. cmus features multiple media library views, a playqueue, a directory browser, powerful filters, and vi-style search and keybindings. The text-only design reduces the resources needed to run the program, making it a strong choice for older or less-powerful computers as well as systems where a graphical environment is not available.

Cutmp3: 'cutmp3' is a small command line MP3 editor. It lets you select sections of an MP3 interactively or via a timetable and save them to separate files without quality loss. Silence and ID3 tag searching are also possible. For playback it uses mpg123. The program works with VBR files and files bigger than 2GB.

Free Software Foundation!