GNU/Linux Fedora Installing Freeplane Guide
You Are Welcome! The linked Tutorials shows you Step-by-Step How to Install Latest Freeplane Flatpak in Fedora GNU/Linux Desktops.
And Freeplane for Fedora is a Open Source Java Software for Creating Mind Maps, Managing Knoledge, and Electronic Outlines.
Freeplane was Forked from the FreeMind Project in 2007.