Choosing a client depends on whether you prefer a feature-rich interface, a lightweight background service, or command-line efficiency. qBittorrent Official Website
BitTorrent remains one of the most efficient ways to download large files on Linux, ranging from official distribution ISOs like Debian and Ubuntu to large academic datasets and public domain media. While the protocol itself is a legal peer-to-peer (P2P) technology, its utility on Linux is bolstered by a variety of high-performance, open-source clients. Best BitTorrent Clients for Linux bittorrent download linux