Mindviewer is a HTML5 web app which allows real-time mindmap building with multiple users in realtime.
Edrawsoft
https://bddiagrams.com
https://mindpane.net
Eugen Guriev
https://mindmapmaker.org/
http://www.mindmeister.com/
https://app.imindq.com/
http://mindmap.kwebpia.net/
Aditya
