Which MindMap service to choose?

Question

Project management

Requirements: freeware, web + android
Sharing is not necessary. Special beauties too. Simple and convenient to use.

Answer 1

megamozg.ru/post/2176
A recent post on the then Habré. Five programs are quite clearly compared (two fit the requirements), plus an additional set in the comments.

Answer 2

I won’t say anything about androyd, but I use it in the browser:
1) https://mindmup.com
2) https://coggle.it

Answer 3

draw.io