Compare software

Arianna vs crqt-ng: catalog facts
Arianna	crqt-ng
Free Free and open source under the GPL-3.0, supported by KDE.	Free Free and open source under the GNU GPL version 2 or later.
Linux	Linux
Finds books on the computer automatically Sorts the library by category, genre and author	Supports a broad range of ebook formats Can open books from ZIP archives
Reads EPUB files only Linux only	DRM-protected EPUB and MOBI are not supported
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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