Welcome to TheBrain
That’s their title not mine, but that aside. I’ve been an off and on fan of mind-mapping for some time, but I’ve always craved something more 3-D. Enter Personal Brain 4 which is somewhere in between mind & concept mapping or maybe the best of both. PB4 comes in three flavors including a free version that while lacking some of the advanced features is still quite useful.
Ray Kurzweil has built an amazing section of his KurzweilAI.net site using Personal Brain and it’s and interesting demonstration of form following content.
