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Cavasik vs projectM: catalog facts
Cavasik	projectM
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source.
Linux	Linux
Graphical front end built on the CAVA engine Packaged for Flatpak, Snap and the AUR	Compatible with Milkdrop presets GPU-accelerated rendering
Linux only A visualizer only, with no playback features	The main repository is a library; the standalone app is a separate build Visual only, it does not play music on its own
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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