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.
TiddlyMap - An interactive concept- and mind-mapping plugin for the personal note-taking software TiddlyWiki based on the Vis.js library. It's free and open-source!
Xmind - Xmind is a brainstorming and mind mapping application.
Argumentative - Argumentative is software for creating Argument Maps (the structural and visual representation of...
FreeMind - FreeMind is a premier free mind-mapping software written in Java.
Wisdomap - Wisdomap Medicine is a study aid that helps medical students create differential diagnoses and suitable management plans from a presenting complaint and structured revision notes.
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.