Microsoft SharePoint Server 2010 for Internet Sites, Enterprise - license - 1 server

SharePoint 2010 is the business collaboration platform that enables you to connect and empower people through formal and informal business communities, within the enterprise and beyond, and to manage content on the enterprise level. Whether deployed on-premise or as hosted services, these integrated capabilities are enhanced by Search technologies and make it possible to rapidly respond to business needs through self-service business insight and faster solutions deployment.

Microsoft SharePoint 2010 makes it easier for people to work together. Using SharePoint 2010, your people can set up Web sites to share information with others, manage documents from start to finish, and publish reports to help everyone make better decisions.