COGGLE

           Coggle is an online tool for creating and sharing mindmap. Whether you're taking notes, brainstorming, planning, or doing something awesomely creative, it is super simple to visualise your ideas with Coggle. Share with as many friends or colleagues as you like. Changes you make will show up instantly in their browser, wherever they are in the world.

This is the example of Mindmap from Coggle

https://drive.google.com/file/d/1G_CFO2DqDRtJfpb48kaBVlFmIzJS2Rf5/view?usp=sharing