I created a simple visualization of gTLD applications using Graphviz. I used the domain of the applicant's email address to group common applicants, unless it ended with "mail.com", so that it handles gmail and hotmail addresses. It reveals some interesting connections and conflicts. There seem to be only a few major tech players, and the rest are traditional business or marketing firms.
You can download it here: https://www.dropbox.com/s/8krmao3nujyjtpx/tld-fdp.svg
(I tried to find a SVG-compatible image hosting site, but I could not)