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Atsumeru vs Suwayomi-Server: catalog facts
Atsumeru	Suwayomi-Server
Free Free and open source under the MIT licence.	Free Free to use, with source code published on GitHub.
Windows, Linux, Android, Web, Self-hosted	Self-hosted
Reads CBZ, CBR, CB7, PDF and DjVu files Two-way reading history sync between web and apps	Works with Tachiyomi-compatible extensions Keeps a manga library on your own server
ePub and FB2 support is limited Smaller project with a modest community	Needs a separate client for the reading interface Aimed at users comfortable running a server
Downloadable app, Self-hosted	Self-hosted
Open source	Closed source
License: MIT	License not stated
Not stated if an account is 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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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