Try it here marketplace.atlassian.com/plugins/com.keinoby.confluence.plugins.yoikee-creator
Yoikee Creator is a plugin for Confluence. This video shows how Yoikee Creator works. You can:
* Create your own Mind Map Space Templates,
* Save those Mind Map Space Templates as Space Blueprints,
* Create as many Spaces as you want with the same structure,
* Import existing mind maps from FreeMind/Freeplane (mm format) or Mindmup (mup format),
* Export mind maps as mm.