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Linthra vs Caldera Amp: catalog facts
Linthra	Caldera Amp
Free Free and open source under the AGPL-3.0.	Free Downloads are offered without a listed price; a Plex music server is needed.
Linux, Android	Windows, macOS, Linux
Plays local files and streams from Jellyfin, Navidrome/Subsonic and Plex Explicit offline cache for streamed music	Built-in MilkDrop visualizer in its own window Plays lossless formats up to 24-bit/384 kHz
Streaming requires running your own music server Young project under active development	Only works with Plex music servers Driven from Plexamp rather than a full library window
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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