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Kryptor vs Minisign: catalog facts
Kryptor	Minisign
Free Free and open source under the GPL.	Free Free and open source under the ISC licence.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Modern primitives with a small, hard-to-misuse option set Short public keys that are practical to share	Very short public keys and simple commands Ed25519 signatures with encrypted secret keys
Its file format is its own, so interoperability is limited Small project compared with GPG or age	Signs and verifies only; does not encrypt files Command-line only, no graphical interface
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: ISC
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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