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.
Orange Pi - It’s an open-source single-board computer. It can run Android 4.
Udoo x86 Ultra - Udoo x86 Ultra is a modern PC, known as the most powerful X86 maker board and an Arduino 101 compatible platform.
Microbit - BBC's handheld, programmable computer given free to UK kids
Odroid - The Odroid is a series of single-board computers and tablet computers created by Hardkernel Co.
Banana Pi - Banana Pi is a single-board computer made in China. It can run Android, Ubuntu and Debian.