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Deluge is a lightweight BitTorrent client designed to be unobtrusive, leaving much of its functionality to available plugins (such as RSS and scheduler). The program includes encryption, DHT, Local Peer Discovery, µTorrent Peer Exchange, UPnP and NAT-PMP, proxy support, web seed, private torrents, speed limits, bandwidth scheduler, and more. The interface can be password-protected.

Cross-platform with clients available for Linux, OS X and Unix. The program allows multiple user-interfaces including GTK+, Web, and console, with available password protection. Utilizes a libtorrent back-end.