Arduino IDE - Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware...
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.
PlatformIO - Next-generation IDE for IoT
Arduboy - A mini open-source game system you can program yourself ๐พ
Arduino - Build your own electronics
Circuito.io - Instant code and wiring for your project