Plex is a powerful media server that excels in organization and remote access but requires a server setup, while LibreELEC is a lightweight OS designed specifically for media playback without the need for complex configurations.
Plex
Pros:
Wide compatibility with various devices and platforms
Supports a vast array of media formats
Excellent metadata fetching and organization
Remote access to your media library
Ability to share libraries with friends and family
Cons:
Requires a server to be set up and maintained
Can be resource-intensive on the host machine
Premium features require a subscription
LibreELEC
Pros:
Lightweight and optimized for performance
Dedicated to media playback with a simple interface
Supports a variety of add-ons for extended functionality