Dropbox - Online Sync and File Sharing

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

Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.

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

WeTransfer - WeTransfer is a free service to send big or small files from A to B.

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