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StemRoller vs Murem: catalog facts
StemRoller	Murem
Free Free, released under your choice of the Unlicense or MIT No Attribution.	Free Free and open source under the MIT licence.
Windows, macOS	Android, Self-hosted
One-click stem separation using Demucs Built-in YouTube search to find songs	Keeps dialogue while removing background music Accepts URLs from many sites via yt-dlp, local files and batches
Linux is not officially supported Splitting a song takes several minutes	Separation quality depends on the source audio No tagged releases on GitHub
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: Unlicense OR MIT-0	License: MIT
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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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