Implementation of the EDIINT AS2 protocol (RFC 4130)
You can message and share files inside your intranet without a server.
Quickly, simultaneously issue SSH commands to multiple Linux machines
Easily open multiple SSH login terminals to Linux servers
шифрованная AES переписка во vk.com
A P2P Messenger which uses JXTA. It provides secure RSA/AES end-to-end
Underground IM is a free Java Instant Messaging solution.