Mac OS X Server
The power and openness of UNIX with the simplicity and elegance of Macintosh. Mac OS X Server delivers high-performance services for Internet and web serving, file, print and networking services needed to manage a network of Mac and Windows clients. Mac OS X Server includes Apache, Samba, QuickTime Streaming Server and WebObjects 5 Deployment. It is simple to install, easy to use and delivers incredible performance, unprecedented stability and the latest networking and security standards.