AlsaPlayer is a new PCM player written with the ALSA sound system in mind. It also includes support for JACK, OSS, NAS, and ESD. It makes extensive use of multi-threading and supports OGG, MP3, WAV, CDDA (CD Digital Audio), MOD, S3M, IT, and many other input types. Features include a real- time effects stream, variable speed/pitch control, SHOUTcast/icecast streaming support, multiple active visual scopes, command line mode, playlists, plugin architecture, low-latency mode, and more.
Audacity is a cross-platform multitrack audio editor. It allows you to record sounds directly or to 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 audio I/O uses PortAudio, which fully supports OSS, Mac OS X CoreAudio, and Windows WMME, and can be compiled with support for ALSA and Jack.
Aurion Music Manager (AMM) has been designed to be a very user-friendly interface for using mpg123, cdrecord, mkisofs, lame, and other very powerful command-line music tools. It uses the SDL for its graphics, and the interface can use the TV output capability featured by several video cards. AMM also includes a WAV file player, called pwav123.
Beast is a powerful music composition and modular synthesis application. It offers multiple input methods like multitrack, piano roll, and pattern editing and supports skins. On the technical side, it has a wide range of abilities like sequencing, unlimited undo/redo history, real-time synthesis with multiprocessor support, full duplex 32-bit audio rendering, precise timing down to sample granularity, on demand loading of partial wave files, on the fly decoding of various sample formats, aliasing free oscillators, and full Scheme scripting support.
Badut is a home theater PC media browser; an audio/video jukebox. It lets you browse your files and play them, with the focus on good LCD/VFD support, pluggable media (e.g. USB), and infrared remote control. How files are played can be configured. Badut comes with a plugin that plays cdrdao audio CD images directly (audio.toc files).