You mean you don’t have an imaginary friend you can use as a sounding board?
But seriously, Mind Maps are good for that.
With a bit of practice you’ll learn to get into some sort of flow, and visualizing the ideas with a Mind Map makes it easy to structure it all.
Free software is available; my personal recommendation would be FreeMind or FreePlane (which is a fork from FreeMind) as they are very easy to work with and are available for Windows, Mac and Linux.
Just play with it a little, you’ll soon find out whether this is for you or not.
