Xmind - Xmind is a brainstorming and mind mapping application.
Jamboard - Interactive Business Whiteboard | G Suite
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Surface Studio - A brilliant screen for your ideas, from Microsoft
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Samsung Flip - A 55" digital white board from Samsung