After Napster: A site that lists the alternatives.
AudioGnome: Popular napster-compatible client for Windows.
BeBits: Napster client for BeOS.
FindLaw Napster News: Updates on the legal disputes against Napster from Findlaw.com
Gnapster: GNOME napster client distributed under GPL. Runs on UNIX under X-windows.
GTK-Napster: Napster client based on GTK++.
JNap: Napster clone written in Java. [Open Source, GPL]
jNapster: Open source Napster client written in Java.
KLassphere DICE: DICE is a hybrid server that can host IRC clients and Napster-compatible opennap clients.
Lopster: GTK Napster Client. [Open Source]
napMan: napMan is an infobot that provides a real time glimpse into the current state of the network at Napster.
OpenNap: Open source Napster server.
Opennap-NG: Opennap NG is a further development of the well known opennap-server created by drscholl.
Salon.com Napster Directory: Regularly updated editorials on the Napster controversy.
SlavaNap: Napster-compatible server for Windows.
SunshineUN: SunshineUN the new Opennap client. A real alternative to Napster.
Warpster: A Napster client for OS/2 Warp v4 with easy to use notebook interface and ability to resume downloads.
XNap: Napster client, includes meta-search on multiple servers, autoconnect, and commandline interface. [GPL]
XNapster: News and information on Napster and file sharing.