qBittorrent - Lightweight and open source torrent client that runs on all major platforms.
Sling - Sling is a free shift scheduling and communication software. It is built around four main features - shifts, messages, newsfeed and tasks, making it possible for managers to organize all aspects of their work on a single platform.
Deluge - Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.
OpenPHT - OpenPHT is a community driven fork of Plex Home Theater
BitTorrent - BitTorrent is a peer-to-peer program developed by Bram Cohen and BitTorrent, Inc.
Deputy - Deputy is a software for employee scheduling, time and attendance and communication management.