Great functionaliy for creating content in Freeplane, and presenting only when it's ready.
To hide a node from your mindslides simply add the attribute "slide-hide" to it:
right-click > edit attribute in-line > add or select "slide-hide"
View Speakers Notes
Including preview of the next slide, notes for current slide, and timer.
Speaker notes require the presentation be served by a webserver, they don't work from a local file.
You can use a very simple webserver such as mongoose that simply needs to be downloaded in mindslide directory and executed (clicked)... or execute the following line in mindslide directory if you have python installed: