Arduino IDE - Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware...
Xmind - Xmind is a brainstorming and mind mapping application.
PlatformIO - Next-generation IDE for IoT
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
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.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.