A DLNA, UPnP and HTTP(S) Media Server.
You could go the easy route and just use something like universal media server if you only want to make the data accessible for DLNA devices and such.
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
DLNA media server for M1
1 project | reddit.com/r/mac | 10 May 2022
How to play movies on smart tv from laptop
1 project | reddit.com/r/Piracy | 19 Apr 2022
Storing media files on the PS4, just like you could on the PS3
2 projects | reddit.com/r/ps4homebrew | 6 Apr 2022
Re-purposing an old laptop as a video/music player for the TV room. I love bringing old hardware back to life.
1 project | reddit.com/r/linuxmasterrace | 26 Feb 2022
Does Plex work in Dubai?
1 project | reddit.com/r/dubai | 23 Feb 2022