Add digital signatures to PDF documents - GUI and CLI, cross-platform
PGP graphical user interface
Tiny application which allows encrypting basic text.
Encrypt and manage secret text data
Implementation of the EDIINT AS2 protocol (RFC 4130)
Synchronize secrets between PCSecrets and Secrets for Android
Free and open-source PDF signing and verification application.
Provides encryption & password hashing for your app or Hibernate POJOs
Free portable cross-platform graphical multi-user password manager
Twinkle is an open-source text editor.
Halimede Certificate Authority
Graphical message and file encryption tool
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
Java Encryption Utility.
Certificate Authority administration application
The Remarc Mobile-ID USAT applet
Hash: File Checksum Generator
All-purpose Encryption and Security Adaptation
Anoncrypt-Text Encryption and Decryption Website in Java(Struts2)
Binary Conversion Calculator