1. Transmission has the features you expect in a BitTorrent client: encryption, a web-based interface...

  2. Lightweight and open source torrent client that runs on all major platforms.

  3. Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.

  4. It is a powerful modern download accelerator and organizer for Windows and Mac.

  5. Vuze is a free BitTorrent client used to transfer files via the BitTorrent protocol.

  6. Tixati is a peer-to-peer file sharing program that uses the popular BitTorrent protocol.

  7. BitTorrent is a peer-to-peer program developed by Bram Cohen and BitTorrent, Inc.

  8. Open source application used to transfer file via WebRTC and WebTorrent.

  9. PicoTorrent is designed to be a tiny, easy-to-use BitTorrent client with low memory usage.

  10. BiglyBT is a feature filled, open source, bittorrent client. Auto migrate from Vuze and Azureus. I2P integration, Swarm Merging, Advanced Tag System, WebTorrent support, built-in VPN kill switch, Meta-search, UPnP/DLNA access, and much more.

  11. rtorrent is a BitTorrent client for ncurses, using the libtorrent library.

  12. aria2 is a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.