Garbage - In my opinion, poor quality Whiteboard paint, do not buy
Uncover - Laser cut and customize your MacBook backlight
Ziteboard - Ziteboard is an zoomable online whiteboard that lets team to collaborate in real-time.
Tabtag - Light diffusing stickers for your MacBook
Idea Paint - Create a usable, interactive space on any flat surface
Witeboard - A real-time whiteboard for your team. No signups required.