Add digital signatures to PDF documents - GUI and CLI, cross-platform
Implementation of the EDIINT AS2 protocol (RFC 4130)
FIDO® Certified StrongKey FIDO Server (SKFS)
scans a given textual string in 146 pen on paper possible combinations
cross-platform, encryption application
PGP graphical user interface
Java application for encryption
Free portable cross-platform graphical multi-user password manager
Tiny application which allows encrypting basic text.
cross-platform (Java) file encryption and archiving tool
Free and open-source PDF signing and verification application.
Encrypt and manage secret text data
Smoke: Android Crypto Chat Messenger
Twinkle is an open-source text editor.
Mkpass - Command line Secure Password Generator
Halimede Certificate Authority
A library for easy use of symmetric encryption and decryption in java
FinalCrypt - Unbreakable One-Time Pad Encryption