Enigma Encryption Simulator in Java
Free GUI replacement for Java command-line utilities keytool/jarsigner
Add digital signatures to PDF documents - GUI and CLI, cross-platform
AS4 Solution for ENTSOG, e-SENS, ebMS, PEPPOL, ICS2, BDEW
Implementation of the EDIINT AS2 protocol (RFC 4130)
Implementation of the OFTP2 protocol (RFC 5024)
Java utility packages
PGP graphical user interface
Secure wiping/shredding of free disk space with many methods
Simple, secure and easy to use password manager.
Tiny application which allows encrypting basic text.
Simple utility / application to verify integrity of any file and text.
Free portable cross-platform graphical multi-user password manager
Free and open-source PDF signing and verification application.
Open source file encryption software
Smoke: Android Crypto Chat Messenger
Twinkle is an open-source text editor.
A simple tool for split, zip, and encrypt files
Encryption/Decryption demonstration app using the S-DES algorithm
Its A Diary/TextEditor that encrypts your text data using images
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
Java Encryption Utility.