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 OFTP2 protocol (RFC 5024)
Implementation of the EDIINT AS2 protocol (RFC 4130)
Java utility packages
PGP graphical user interface
Simple, secure and easy to use password manager.
Secure wiping/shredding of free disk space with many methods
Simple utility / application to verify integrity of any file and text.
Tiny application which allows encrypting basic 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
A useful tool for generating passwords of any complexity
Encryption/Decryption demonstration app using the S-DES algorithm
Its A Diary/TextEditor that encrypts your text data using images
A free and easy-to-use password protected file archiver