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