Universal Media Server - Universal Media Server allows you to host your entire library of video, music, and pictures, and broadcast them conveniently to a wide variety of different devices.
Kodi - Kodi is an award winning free and open source media player that got its start on the Xbox console.
oneaday.show - Listen to your favourite shows at least once a day
Veso - Veso is an open source media server. An emby/jellyfin fork that will move to a js react framework and focus on remote/rclone mounted media rather than local storage.
Anchor.fm - Record bite-sized podcasts that anyone can join ⚓
iStream - Zero-configuration media-streaming to your SmartTV.