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ACBR vs OpenComic: catalog facts
ACBR	OpenComic
Free Free and open source under the AGPL-3.0.	Free Free to download, with an optional donation page.
Windows, Linux	Windows, macOS, Linux
Reads common comic archives plus pdf and epub Converts and creates comic books in several formats	High-quality Lanczos3 downscaling for sharp pages Reading view customizable for comics and manga
No macOS version listed AES-encrypted cbz files are not supported	ePub and PDF support is basic Focused on reading rather than library management
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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