Simple DirectMedia Layer (SDL) is a cross-platform, free and open source multimedia library written in C that presents a simple interface to various platforms graphics, sound, and input devices. It is widely used due to its simplicity.
OS X v10.8 "Mountain Lion" was released on July 25, 2012. It incorporates some features seen in iOS 5, which include Game Center, support for iMessage in the new Messages messaging application, and Reminders as a to-do list app separate from iCal (which is renamed as Calendar, like the iOS app). It also includes support for storing iWork documents in iCloud.
Granular, or Granular Linux, is a Linux distribution targeted at the common desktop users. Granular is based on PCLinuxOS and comes as an installable live CD. The CD version of Granular features two desktop environments - KDE and a development version of Enlightenment. Where KDE is a full-featured desktop environment, Enlightenment is a lightweight desktop shell which is markedly faster than KDE.