Tiny application which allows encrypting basic text.
Twinkle is an open-source text editor.
Halimede Certificate Authority
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
Java Encryption Utility.
Hash: File Checksum Generator
Java text editor with AES file encryption.
JCryptor is an encrypting tool based on the Caesar-cipher.
A simple example of polyalphabetic cipher in Java.
Simple Java Encryption Library