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Polaris vs Swing Music: catalog facts
Polaris	Swing Music
Free Free and open source.	Free Free to download and self-host from the public repository.
Web, Self-hosted	Linux, Web, Self-hosted
Written in Rust Web client plus an API for other clients	Streaming-service style web player for your own files Docker image and AppImage packaging available
Music only, no video support Requires running your own server	Only plays music you supply yourself License terms are not stated in the available research
Self-hosted	Downloadable app, Self-hosted
Open source	Closed source
License not stated	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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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