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Universal Media Server vs Dim: catalog facts
Universal Media Server	Dim
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source.
Windows, macOS, Linux, Self-hosted	Web, Self-hosted
Transcodes on the fly for devices that cannot play a format natively Speaks DLNA, so old TVs and consoles work without an app	Automatic metadata fetching reduces manual library tagging Open source and self-hosted, keeping the media library under your own control
Transcoding is CPU-heavy on modest hardware DLNA browsing is clumsier than a dedicated client app	Smaller community than established media servers like Jellyfin or Plex Self-hosting requires running and maintaining your own server
Downloadable app, Self-hosted	Self-hosted, Web application
Open source	Open source
License: GPL-2.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.