Transmission is a cross-platform BitTorrent client.
Tor
The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world.
Koha e kokoshkave
Popcorn Time streams free movies and TV shows from torrents.
OnionShare
OnionShare is an open source tool for securely and anonymously sending and receiving files using Tor onion services.