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Polaris vs gonic: catalog facts
Polaris	gonic
Free Free and open source.	Free Free software with no paid tier.
Web, Self-hosted	Self-hosted
Written in Rust Web client plus an API for other clients	Works with the wide range of Subsonic client apps Light enough for small home servers
Music only, no video support Requires running your own server	No bundled player app; you pick a Subsonic client Music only, no video support
Self-hosted	Self-hosted
Open source	Open 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.