Pidgin: messenger con encriptación sencilla

http://pidgin.im/

ENCRIPTACIÓN:
http://developer.pidgin.im/wiki/ThirdPartyPlugins

Security and Privacy ¶

Plugin Name	Downloads	Website	Short Description
Off-the-Record Messaging	50,000+	Go	Encrypts conversations and provides security even when keys are compromised
Pidgin-Encryption	10,000-50,000	Go	Encrypts coversations using stored RSA keys
Bot Sentry	1,000-10,000	Go	Stop spam bots
Pidgin-Paranoia	0-1,000	Go	Encrypts conversations using one-time pads
Pidgin-privacy-please	0-1,000	Go	Stop spam bots