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Houdoku vs Suwayomi-Server: catalog facts
Houdoku	Suwayomi-Server
Free Free and open source.	Free Free to use, with source code published on GitHub.
Windows, macOS, Linux	Self-hosted
Reads local manga files and extension sources Vertical and two-page reading modes	Works with Tachiyomi-compatible extensions Keeps a manga library on your own server
Desktop only, with no mobile app Online sources depend on extensions	Needs a separate client for the reading interface Aimed at users comfortable running a server
Downloadable app	Self-hosted
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it 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.