A toolkit for integrating Alfresco and social software from Jive. A good technical overview is available in this blog post: http://blogs.alfresco.com/wp/pmonks/2011/03/29/technical-overview-of-the-alfresco-jive-toolkit/
Integration with version 4.0 and newer is available through the open source project available at Google Code.
Integration with version 3.4 is available under a proprietary license through the Alfresco Support portal.
