A Raspberry PI NAS or network attached storage is a great way to have a shared drive that's accessible to everyone on the same network. You can limit access to the drive if you don't want certain people in your files.
Color My Desk is a publicly controllable string of lights illuminating my daily workspace. It’s built on a Raspberry Pi made to interface both with RGB lights and a web server. Do you need to exercise some control over the physical world, but don’t want to leave your computer? Well then, take a minute to set the color of my desk on a day of your choosing at http://colormydesk.com/ Project Link