Mind Map Maker is a free, fully HTML5-compliant app with cloud support mind mapping webapp. This is a HTML5 based mind mapping application. It lets you create neat looking mind maps in the browser. It is available offline. You can use the app wherever you are, there is no need for an internet connection, everything happens inside your browser on your machine. This one is free, open source and it's full of HTML5 goodness. You spend most of your time inside your browser anyway. Why not create your mind maps here as well?