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WACUP vs Qmmp: catalog facts
WACUP	Qmmp
Free Free to download, with optional support through Patreon, PayPal or Ko-fi.	Free Free and open source.
Windows	Windows, Linux
Compatible with plug-ins for classic Winamp-era players Plug-in based design that can be tailored to taste	Familiar Winamp and XMMS style interface with skins Plugin system with visualisations and MIDI support
Still a preview build rather than a final release Plug-in SDK for new plug-ins not yet available	Batch tag editor is still experimental Skinned interface looks dated to some users
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	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.