Matériel

Hardware
Arduino
Open source microcontroller kits for building digital devices and interactive objects.
https://www.arduino.cc/
Raspberry Pi
Small single-board computers.
https://www.raspberrypi.org/
Intel Edison
Computer-on-module offered by Intel as a development system for wearables and Internet of Things devices.
https://software.intel.com/en-us/iot/hardware/edison
Puck.js
Open source JavaScript microcontroller you can program wirelessly.
https://www.puck-js.com/
BeagleBoard
Low-power open source single-board computers.
http://beagleboard.org/
Makey Makey
Turn everyday objects into touchpads and combine them with the internet.
http://www.makeymakey.com/
Tessel
Easy to use microcontroller that runs JavaScript.
https://tessel.io/
Leap Motion
Sensor device that supports hand and finger motions as input
https://www.leapmotion.com/