PIXEL - for MAC & PC

PIXEL is the desktop OS (PC & MAC) from Raspberry Pi Foundation.  It is a version of GNU/Linux with a modern user interface; a curated suite of productivity software and programming tools, both free and proprietary; and the Chromium web browser with useful plugins, including Adobe Flash, pre-installed.

Find it @ https://www.raspberrypi.org/blog/pixel-pc-mac/.

Some additional information @ https://www.raspberrypi.org/blog/introducing-pixel/