codebender - The Largest Arduino Playground In The World. Create, share and run your code anywhere.
ESPRESSObin - Electronics, Single Board Computer, and x86
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.
Udoo x86 Ultra - Udoo x86 Ultra is a modern PC, known as the most powerful X86 maker board and an Arduino 101 compatible platform.
Arduino - Build your own electronics
Intel NUC boards - Four-by-four inch Intel NUC boards come with a soldered-on processor.