Mylene is a command line MPEG audio player. It can play plain and system embedded MPEG audio streams and works for Linux OSS and ALSA emulated OSS and Mac OS X. The player can be used interactively by telling it to establish a UNIX or INET server on which commands can be received. It features sophisticated song selection filters, the ability to interpret programs written in a C-like programming language and user formatted text output among others. The seek-h262 MPEG decoder is required for audio and system MPEG decoding.
Transcribe! is an assistant for working out a piece of music from a recording. It offers many features aimed at making the transcription job smoother and easier, including the ability to slow down the music without changing its pitch, and to analyse chords and show you what notes are present.
MOC (music on console) is a console audio player with a simple ncurses interface in playmp3list style. It supports MP3 (with ID3 tag, VBR, and Xing headers), Ogg, FLAC, WAVE, Musepack, Speex, WMA, MP4, AAC, and some other less popular audio formats. Playlists can be saved and loaded using .m3u files (PLS version 2 can also be loaded). Internet streams (Shoutcast, Icecast) are supported. It achieves gapless playback by employing an output buffer in a separate thread and file pre-caching. The key mapping can be fully customized. The interface can be detached from the server as it plays in the background.
XiX Music Player is a music player for MP3, Ogg, M4A, AAC, FLAC, APE, and OPUS files. It is easy to create and maintain your own playlists. There is an integrated lyric viewer that searches for the lyric of the song you are listening to. If the CD cover is found, it is also shown. You can also rip CD tracks to MP3 or FLAC. Listening to your favorite online radio stations is also possible. The focus is on having fast control of all your music.
DR14 T.meter is a commandline tool for computing the Dynamic Range of your music according to the procedure used in the offline meter released by the Pleasurize Music Foundation. It is very useful to measure how loud your music is and to understand that a good quality album always has a good dynamic. It's also useful for understanding the effects of the so-called loudness war.
Music Player Daemon (MPD) is a server that allows remote access for playing music in various formats and managing playlists. It makes a great desktop player with frontend options (Qt, GTK, ncurses, Windows, and Web clients are available). It is also appropriate as a console player that is scriptable, and is especially useful if X is restarted frequently. A set of rapid development tools for clients are being developed and include a C library, Python module, PHP class, Perl module, and Java Class. The goals are to be easy to install and use, to have minimal resource requirements, to be stable and flexible, and easy to interface.