qBittorrent is an opensource BitTorrent client for sharing and downloading files from torrent sites. Developed by Christophe Dumez
License: Open Source
Shareaza is a peer-to-peer file sharing client running under Microsoft Windows which supports the gnutella, Gnutella2 (G2), eDonkey, BitTorrent, FTP, HTTP and HTTPS network protocols and handles magnet links, ed2k links, and the now deprecated gnutella and Piolet links. Developed by Shareaza Development Team
License: Open Source
qBittorrent is a lightweight, open-source torrent client focused on efficiency and advanced torrent management features, making it ideal for users who prioritize control over their downloads. Shareaza, on the other hand, is a multi-protocol client that combines torrenting with Gnutella support and offers features like a built-in search engine and streaming capabilities, appealing to users who desire a more versatile file-sharing experience.