Raspberry Pi - The Raspberry Pi is a tiny and affordable computer that you can use to learn programming through fun, practical projects. Join the global Raspberry Pi community.

Shapeways - Shapeways - 3D Printing Service and Marketplace

Orange Pi - It’s an open-source single-board computer. It can run Android 4.

3D Hubs - Airbnb for 3D printing

Odroid - The Odroid is a series of single-board computers and tablet computers created by Hardkernel Co.

i.materialise - i.materialise is an online 3D printing service, community and marketplace.