JTreeMap - JTreeMap. Devices help the blind cross tech divide | CNET News.com. Visualizing Del.icio.us Roundup » Solution Watch. I have been coming across many del.icio.us tools to visualize usage during my daily researching hours. So many, that I have decided to start making note of the ones I come across. From the span of about two weeks, I have been collecting as many as I could find. I will list each one along with a description. Enjoy! There’s a couple more that I have in mind, but they don’t seem to be working at the moment. Main Page - FreeMind - free mind mapping software. Delicious Mind Map Maker. Extisp.icio.us - scattering del.icio.us tags - now with images.