With Mac OS X Server, Apple has integrated popular open source software technologies and created innovative management tools to make it easy to provide powerful standards-based server solutions. With over 200 new features, including access control lists and secure instant messaging, Mac OS X Server is a comprehensive platform that is ideal for small businesses and workgroups. This 10-client edition of Apple's award-winning UNIX-based server operating system is the easiest way to deploy powerful Internet, network and small workgroup services.