Hush Messenger is the chat and instant messaging member of the Hush family of secure communication services, and is currently free to download and use! Your chat sessions will enjoy the same ease of use expected in any instant messaging client, with the security and transparent, end-to-end encryption shared by all Hush services!


All chat messages sent with Hush Messenger are protected by 2048-bit Open PGP encryption as well as 128-bit SSL encryption for maximum security.

https://www.hushmail.com/services-messenger