Compare software

OpenComic vs Houdoku: catalog facts
OpenComic	Houdoku
Free Free to download, with an optional donation page.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
High-quality Lanczos3 downscaling for sharp pages Reading view customizable for comics and manga	Reads local manga files and extension sources Vertical and two-page reading modes
ePub and PDF support is basic Focused on reading rather than library management	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
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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