Transmission - Transmission has the features you expect in a BitTorrent client: encryption, a web-based interface...
SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.
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.
NZBGet - The most efficient usenet downloader.
qBittorrent - Lightweight and open source torrent client that runs on all major platforms.
NewsBin - NewsBin Pro is a Usenet NNTP newsreader that downloads and decodes binary file attachments to...