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Black Candy vs Polaris: catalog facts
Black Candy	Polaris
Free Free to use; the source code is published on GitHub.	Free Free and open source.
Web, Self-hosted	Web, Self-hosted
Streams your own music library Web player in the browser	Written in Rust Web client plus an API for other clients
Music only, no video You must host and maintain the server	Music only, no video support Requires running your own server
Self-hosted	Self-hosted
Closed 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 October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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