CDDBD.sh is a shellscript speaking the CDDB Protocol version 1 without enhancements and read only. CDDBD.sh allows to query a local database on a filesystem that was filled with entries using such programs like xmcd or kscd. CDDBD.sh was developed to be used in a local or home network and not to serve a WAN.
dave's cd player (dcd) is a simple command-line CD player. It plays CDs, loops (sequences of) tracks, plays tracks at random, and so on. Its a full featured, but simple-to-use CD player. It supports libmusicbrainz (musicbrainz.org) for CD information if desired, yet remains one of the leanest CD players out there.
Grip is a CD player and CD ripper/MP3-encoder for the GNOME desktop. It has the ripping capabilities of cdparanoia built in, but can also use external rippers (such as cdda2wav). It also provides an automated frontend for MP3 encoders (presets for lame, bladeenc, l3enc, xingmp3enc, mp3encode, and gogo), letting you take a disc and transform it easily straight into MP3s. The Ogg Vorbis format is also supported. Internet disc lookups are supported for retrieving track information from disc database servers. Grip works with DigitalDJ to provide a unified, "computerized" version of your music collection.
Sing Along Disc Player is an enhanced CD player for Linux. It features a control panel, a spectrum analyser, an oscillator, a mixer, an active icon that can be docked with Window Maker, and a dual-window mode (both windows at same time), and has basic support for CD multichanger, CD-TEXT, and CD-EXTRA extensions. It keeps a local database and can access remote CD databases to retrieve or submit your disc information. It allows you to pick your choice of compression type, multiple preference sets (play lists and skip lists), ability to store volumes for a particular CD, and read-only access to old sadp, Workman, and xmcd-style data bases.
Synaesthesia is an eyecandy program that represents music graphically in real time as coruscating fields of fog and glowing lines. It is intended as a visual accompaniment to music. Its display combines information about the frequency, location and diffuseness of sound. It can take input from CD, line, piped from another program, or from EsounD. It also functions as a CD player.
Xmcd is a full-featured CD player and ripper software suite including xmcd and cda. Both utilities transform your CD drive into a stereo CD player, allowing you to play music CDs on your computer, as well as perform digital audio extraction (DAE) into files or streams of various formats. Multi-disc CD changers are also supported on many platforms. Xmcd features CDDB disc recognition, web browser integration for content related to the playing CD, local discography management, full feature-specific help system, remote control capability, and more.