Freeplane began as a fork of the Freemind project. While maintaining comparability with Freemind file format, it has far outpaced in features and development. As of 3/5/2022, the latest Freeplane update (1.9.3) is 3/5/2022 vs Freemind was last updated (1.0.1) 2/5/2016. Active, helpful community.
Xmind - Xmind is a brainstorming and mind mapping application.
15Five Plus - Insights to manage, measure, and retain great employees.
FreeMind - FreeMind is a premier free mind-mapping software written in Java.
Teambit - Teambit is a team engagement and performance platform, that makes feedback a daily habit.
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
HappyTeam - The simplest way to keep a pulse on your team's mental health and well-being.