Packages with the cddb use flag

Global definition: Access cddb servers to retrieve and submit information about compact disks.

app-cdr / cdcover : cdcover allows the creation of inlay-sheets for jewel cd-cases

app-misc / gcstar : Manage your collections of movies, games, books, music and more

dev-libs / libcdio : A library to encapsulate CD-ROM reading and control

kde-misc / tellico : Collection manager based on KDE Frameworks

media-sound / aqualung : Music player for a wide range of formats designed for gapless playback

media-sound / cantata : Featureful and configurable Qt client for the music player daemon (MPD)

media-sound / cmus : Ncurses based music player with plugin support for many formats

media-sound / exaile : GTK+ based media player aiming to be similar to Amarok

media-video / mplayer : Media Player for Linux

media-video / vlc : Media player and framework with support for most multimedia files and streaming