uddeIM (udde Instant Messages)
uddeIM allows users of your community to send private messages to each other. uddeIM tends to be simple and easy-to-use - besides it offers all the features you need in a private messaging system.
uddeIM is available in 34 languages. It integrates seamless with Community Builder, Joomlaboard, Fireboard, Ninjaboard, Kunena, Agora, and other software. The list of features is endless and includes functions like autocomplete names, popup and email notifications, message encryption and obfuscating, message archive, multiple recipients, phpBB codes and static/animated smileys. All features are configurable. It is possible to importing messages from most other PMS component
Perfect integration with Kunena forum and Community builder