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fooyin vs WACUP: catalog facts
fooyin	WACUP
Free The open-source application is available without a license fee.	Free Free to download, with optional support through Patreon, PayPal or Ko-fi.
Windows, Linux	Windows
Flexible layouts and an extensible plugin system	Compatible with plug-ins for classic Winamp-era players Plug-in based design that can be tailored to taste
Audio CD playback and ripping are Linux-only.	Still a preview build rather than a final release Plug-in SDK for new plug-ins not yet available
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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