Scapple - A tool that allows you to organize thoughts easily in a visual format

Visit the site at https://www.literatureandlatte.com/scapple/overview

I think this is better than mind mapping. It’s a bit more freeform, and the interface is easier than many of the mind mapping tools I’ve seen. Plus, it integrates with their product, Scrivener, which is a tool that writers use to develop drafts.