Madster
（重定向自AIMster）
![The Control Panel and File Search windows in Madster showing search results after a search for](/Images/godic/202412/20/Madster-screenshot3925.png")
Madster (initially called Aimster) appeared in Napster's wake in August 2000 and was intended to be a P2P file sharing service. It was shut down in December 2002 as a result of a lawsuit by the Recording Industry Association of America (RIAA).