Suggest an alternative to

MindMate

Mind Mate is an open source mind mapping software developed in C# .Net

Why do you think that https://github.com/juzzlin/Heimer is a good alternative to MindMate

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with MindMate. Optional.

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