1. Krypton AndroidKrypton turns your Android device into a U2F Authenticator: strong, unphishable 2FA.
2. KrA dev tool for SSH auth + Git commit/tag signing using a key stored in Krypton.
3. Kr U2fA Browser extension that lets you use your phone as a U2F/WebAuthN Authenticator for strong, unphishable 2FA.
4. Krypton IosKrypton turns your iOS device into a WebAuthn/U2F Authenticator: strong, unphishable 2FA.
5. swift-pgpA pure Swift library for parsing and creating PGP RFC 4880 public keys, user ids, and signatures.
6. sigchainA signed hash chain implementation for zero-trust data management.