Shareaza is a file sharing application for Windows that allows you to download and upload music, video etc. on four popular P2P networks: eMule, Gnutella, BitTorrent and Gnutella2. Shareaza is FREE, open source & contains NO spyware, advert or third-party products. Download from multiple sources and networks simultaneousely. Shareaza swarms across four networks! With built-in media player, security features and many other fantastic features.