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YACReader vs Houdoku: catalog facts
YACReader	Houdoku
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Provides comic-focused reading and library tools.	Reads local manga files and extension sources Vertical and two-page reading modes
Mobile editions and desktop components are separate products.	Desktop only, with no mobile app Online sources depend on extensions
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it 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.