Add digital signatures to PDF documents - GUI and CLI, cross-platform
Implementation of the EDIINT AS2 protocol (RFC 4130)
FIDO® Certified StrongKey FIDO Server (SKFS)
cross-platform, encryption application
PGP graphical user interface
Synchronize secrets between PCSecrets and Secrets for Android
Free portable cross-platform graphical multi-user password manager
Tiny application which allows encrypting basic text.
Java application for encryption
cross-platform (Java) file encryption and archiving tool
Free and open-source PDF signing and verification application.
Encrypt and manage secret text data
Provides encryption & password hashing for your app or Hibernate POJOs
Smoke: Android Crypto Chat Messenger
Twinkle is an open-source text editor.
Web application to register FIDO keys from TLS ClientAuth sessions
Mkpass - Command line Secure Password Generator
Halimede Certificate Authority