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Polaris vs Ampache: catalog facts
Polaris	Ampache
Free Free and open source.	Free Free and open source under the AGPLv3 licence.
Web, Self-hosted	Web, Self-hosted
Written in Rust Web client plus an API for other clients	Built-in web player plus support for external client apps Combines local and remote catalogs into one collection
Music only, no video support Requires running your own server	Needs a server to install and maintain Interface centred on music more than video
Self-hosted	Self-hosted
Open 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 23, 2026

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