Hootr - A media download solution
BiglyBT - 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.
libtorrent - libtorrent is a feature complete C++ bittorrent implementation focusing on efficiency and...
rTorrent - rtorrent is a BitTorrent client for ncurses, using the libtorrent library.
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Torrent2exe - Torrent2exe is a small BitTorrent client.