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Nap is a console Napster client that supports MP3 sharing, search, and chatting. It now defaults to connecting to the OpenNAP network because the official Napster.com network has client filters.

This is the home page for the Open Source Audio Library Project. This is a project designed to implement a world class set of classes in C++ that will handle all of the audio functions one would like. It is designed to be multi- platform with UNIX based platforms as the base. This project is still in the beta code phase and a beta version that will illustrate the power and flexibility is now available. This version supports the Linux (OSS) audio device, Solaris Sparc audio device, FreeBSD (OSS) audio device, wav, au, aiff, aifc, mp3, and numerous other formats. It is important to note that this is not an application but a C++ library that others can use to create an audio application or to easily add audio capabilities to an existing application.

LPAC is a codec (coder / decoder) for lossless compression of digital audio files. "Lossless" means that any compressed file can be decompressed in a way it will be bit-wise identical with the original. This is the main advantage of LPAC compared to lossy formats like MP3, WMA or RealAudio. On the other hand, lossy codecs can achieve higher compression ratios. For example, MP3 at 128 kbit/s achieves a (fixed) compression ratio of 11, whereas LPAC's compression ratios range from 1.5 to 4, strongly depending on the audio material. Typically they are around 2 for pop music and 2.5 for classical music. This may not seem much, but remember you will get back every single bit, no matter how often you subsequently compress and decompress a file. It is true that general archivers (Zip, LZH, gzip) are lossless, too, but they often achieve nearly no compression on audio files.

eyeD3 is a Python program/module for processing (reading and writing) ID3 tags. Information about mp3 files (i.e bit rate, sample frequency, play time, etc.) is also available. The formats supported are ID3 v1.0/v1.1 and v2.3/v2.4.

PyKaraoke is a free karaoke player for Linux and Windows. You can use this program to play your collection of CDG, MIDI and MPEG karaoke songs. No songs are provided, you must obtain these from elsewhere.

The PyOgg project provides a set of python modules for the various streaming formats and protocols defined by the Xiph.Org Foundation. For now, it mostly deals with the Ogg bitstream container and the Vorbis audio codec.

PyAudio provides Python bindings for PortAudio, the cross-platform audio I/O library. With PyAudio, you can easily use Python to play and record audio on a variety of platforms.

cmus is a small ncurses based music player. It supports various output methods by output-plugins. It has got completely configurable keybindings and it can be controlled from the outside via cmus-remote(1).

RipIT is used to create MPEG-1 Layer 3 (mp3) using Lame, or uses Flac (flac), Ogg Vorbis (ogg) or Faac (m4a) to convert audio files (wav) extracted from an audio CD. It is a console based front-end (no GUI here), written in Perl, for various programs. The program will do the following without user intervention: * getting the audio CD Album/Artist/Tracks information from CDDB * ripping the audio CD Tracks * encoding to Flac, mp3 or Ogg * id3 tags encoded songs * creating an playlist (m3u) file * optionally generating a toc (cue) sheet for nice DAO burning * optionally preparing and send a CDDB submission and save it locally * optionally extracting hidden songs and split ghost songs * optionally creating md5sum files for all tracks * running several encoder processes at the same time and same run

Rubber Band Library is a high quality software library for audio time-stretching and pitch-shifting. It permits you to change the tempo and pitch of an audio stream or recording dynamically and independently of one another.