Multi-platform transparent client-side encryption for your cloud files
AWS Encryption SDK
Free GUI replacement for Java command-line utilities keytool/jarsigner
Add digital signatures to PDF documents - GUI and CLI, cross-platform
Implementation of the EDIINT AS2 protocol (RFC 4130)
cross-platform, encryption application
Tiny application which allows encrypting basic text.
FIDO® Certified StrongKey FIDO Server (SKFS)
Enigma Encryption Simulator in Java
Java application for encryption
Verify digitally signed content based on W3C XMLSignature standard
PGP graphical user interface
Encrypt and manage secret text data
Provides encryption & password hashing for your app or Hibernate POJOs
AS4 Solution for ENTSOG, e-SENS, ebMS, PEPPOL, ICS2, BDEW
Free and open-source PDF signing and verification application.
Free portable cross-platform graphical multi-user password manager
cross-platform (Java) file encryption and archiving tool
Smoke: Android Crypto Chat Messenger
Twinkle is an open-source text editor.