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HashVerifier vs GtkHash: catalog facts
HashVerifier	GtkHash
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-2.0-or-later licence.
Linux, Command line	Linux
Both CLI and GTK3 interfaces Recursive checksum generation for whole directories	Supports MD5, SHA1, SHA2, SHA3 and BLAKE2 Graphical alternative to md5sum and sha256sum
Small project with few contributors GTK3 interface looks best on Linux desktops	Checksums only, no signature verification described Plain GTK interface rather than a modern GNOME design
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-2.0-or-later
No account needed	Not stated if an account is 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.