Scapple: um software que te ajuda a organizar ideias e apontamentos.

Um trecho descritivo do programa editor na página (é pago mas oferece período de teste gratuito):

"What is Scapple?"

"Scapple is an easy-to-use tool for getting ideas down as quickly as possible and making connections between them. It isn’t exactly mind-mapping software—it’s more like a freeform text editor that allows you to make notes anywhere on the page and to connect them using straight dotted lines or arrows. If you’ve ever scribbled down ideas all over a piece of paper and drawn lines between related thoughts, then you already know what Scapple does. ..." 

 Leia mais no link abaixo;

http://www.literatureandlatte.com/scapple.php