Implementation of the EDIINT AS2 protocol (RFC 4130)
Graphical message and file encryption tool
Stream manager
UDP based desktop chatting app which supports AES-256 bit encryption.
UDP based secure file transfer application written in JAVA.
F-Talk cross-platform p2p encrypted secure voip software
Automatically tuned loop antenna for the shortwave bands
A P2P Messenger which uses JXTA. It provides secure RSA/AES end-to-end
Underground IM is a free Java Instant Messaging solution.