Webtor - Download and play torrents with free cloud BitTorrent client
Torrentdrive - Quickly and anonymously download torrents to the cloud and stream movies, music and more.
Peerflix - Streaming torrent client for Node.js
Exatorrent - Exatorrent is a platform where you can download torrent files for free easily.
WebTorrent Desktop - Stream torrents
aria2 - aria2 is a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.