Xmind - Xmind is a brainstorming and mind mapping application.
Quadbot - Build your own Robot
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Harry Potter Kano Coding Kit - Build a wand. Learn to code. Make magic.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Bitsbox - Monthly code projects for kids