Sonork EIM Platform
Sonork EIM is a turn-key solution designed specifically for the enterprise. It enables businesses to create and control their own secure instant messaging and collaboration information management network running on an Intranet (LAN) or so-called Virtual Private Network (VPN) environment. The feature-rich product is easy to deploy and built on the stable deployment-tested Sonork protocol and application core. It offers a robust extensible design and easy integration with existing systems.
More information: http://www.sonork.com/eng/eim_platform.html