mind in the Atom command palette to open a mindmap view of the current markdown file. The full command name is
Markdown Mindmap: Toggle.
You can switch between different themes in package settings. Dark themes variants are also available.
This extension is built using the markmap component.
Suggestions for new featues are welcome, feel free to open an issue.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.