OS X Server is the next generation of Apple’s award winning server software. Designed for OS X and iOS devices, OS X Server makes it easy to share files, schedule meetings, synchronize contacts, host your own website, publish wikis, configure Macs, iPhones and iPads, remotely access your network, and more.OS X Server requires Mountain Lion 10.8 and adds server functionality to OS X. [Mac App Store]
Server is now an application you can add to Mountain Lion right from the Mac App Store. Anyone can quickly and easily turn a Mac running Mountain Lion into a server that’s perfect for home offices, businesses, schools, and hobbyists alike.
iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.