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.
Houseparty - Brining empathy to online communication.
rTorrent - rtorrent is a BitTorrent client for ncurses, using the libtorrent library.
Booyah - Video chat with up to 12 friends at the same time.
qBittorrent - Lightweight and open source torrent client that runs on all major platforms.
Slack - A messaging app for teams who see through the Earth!