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Kazumi vs KNKPAnime: catalog facts
Kazumi	KNKPAnime
Free Free and open source under the GPL 3.0 or later.	Free Free and open source under the GPL 3.0 licence.
Windows, macOS, Linux, Android	macOS, Android
Simple XPath rules that can be imported and shared Danmaku comment overlay	Combines several anime sources in one app Danmaku comment overlay
Linux build is experimental Documentation and interface mainly in Chinese	Project documentation is in Chinese The CI-built macOS release may crash during playback
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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