motrix.app
Motrix is an open-source download manager supporting HTTP, FTP, BitTorrent, Magnet and Metalink. It provides task controls for pausing, resuming, retrying and prioritizing downloads, plus torrent connection management and plugins. It runs on macOS, Windows and Linux, and Docker, with links sent from supported browser extensions. No account is required, and the software has been open-source since 2018.