Prowlarr is a indexer manager/proxy built on the popular arr .net/reactjs base stack to integrate with your various PVR apps. Prowlarr supports both Torrent Trackers and Usenet Indexers. It integrates seamlessly with Sonarr, Radarr, Lidarr, and Readarr offering complete management of your indexers with no per app Indexer setup required (we do it all).

Transmission is a BitTorrent client which features a variety of user interfaces on top of a cross-platform back-end.

Kavita is a fast, feature rich, cross platform reading server. Built with a focus for manga and the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.

Overseerr is a free and open source software application for managing requests for your media library. It integrates with your existing services such as Sonarr, Radarr and Plex!