Aimster is a file-sharing utility for people using AOL Instant Messenger, Gnutella, and Microsoft Networking. Aimster's integration with AOL Instant Messaging allows users to search and share files with their AOL Instant Messaging buddies and thereby enjoy greater privacy and security protections. Aimster gives users control over who can access their shared files and computers, and also lets users share not only music but any personal content.