Jackett works as a proxy server: it translates queries from apps (Sonarr, Radarr, SickRage, CouchPotato, Mylar, DuckieTV, etc) into tracker-site-specific http queries, parses the html response, then sends results back to the requesting software.
Bazarr is a companion application to Sonarr and Radarr. It manage and download subtitles based on your requirements. You defined your preferences by TV show or movies and Bazarr take care of everything for you.
Radarr is an independent fork of Sonarr reworked for automatically downloading movies via Usenet and BitTorrent.
The project was inspired by other Usenet/BitTorrent movie downloaders such as CouchPotato.
Jellyseerr is a free and open source software application for managing requests for your media library. It is a a fork of Overseerr built to bring support for Jellyfin & Emby media servers!
Sonarr is a PVR for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new episodes of your favorite shows and will grab, sort and rename them. It can also be configured to automatically upgrade the quality of files already downloaded when a better quality format becomes available.
Jellyfin is the Free Software Media System that puts you in control of managing and streaming your media. There are no strings attached, no premium licenses or features, and no hidden agendas.
Transmission is a BitTorrent client which features a variety of user interfaces on top of a cross-platform back-end.
The qBittorrent project aims to provide an open-source software alternative to µTorrent.
youtube-dl is a command-line program to download videos from YouTube.com and a few more sites