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