Arduino
Arduino () is an Italian open-source hardware and software company (now owned by Qualcomm), as well as a project and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital and other kinds of devices. Its hardware products are licensed under a CC BY-SA license, while the software is licensed under the GNU Lesser General Public License (LGPL) or the GNU General Public License (GPL), permitting the manufacture of Arduino boards and software distribution by anyone.