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Swing Music vs Supysonic: catalog facts
Swing Music	Supysonic
Free Free to download and self-host from the public repository.	Free Free and open source.
Linux, Web, Self-hosted	Self-hosted
Streaming-service style web player for your own files Docker image and AppImage packaging available	Works with Subsonic-compatible clients Transcoding for various audio formats
Only plays music you supply yourself License terms are not stated in the available research	No bundled player app Smaller community than Navidrome or Airsonic
Downloadable app, Self-hosted	Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
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 September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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