Kodi

UPnP Media Server, which allows you to stream your digital media throughout your home network and listen to/watch it on a variety of UPnP compatible devices.

Media server for audio, video, books, comics, and photos with a sleek interface and robust transcoding capabilities. Almost all modern platforms have clients, including Roku, Android TV, iOS, and Kodi.

Public domain streaming media server that works with any device and any format.

Lightweight and very quick server to stream MJPEG video from any V4L2 device to the net.

Minimalist Plex/Jellyfin alternative to stream video.

Turn your choice of Linux-capable hardware into an audio and video source for a television or powered speakers (alternative to Chromecast).