I tried to see what this was and kept getting asked to sign into Google; I saw a page that mentioned "Subscriptions" and "Google Wallet", and thought to myself, "this is probably not going to talk me out of Burp Suite".
I don't like Java applications any more than you do, but it happens that the best web testing application is built in Java; I'm not going to not use it out of pique.
Hmm, a majority of passfree's account's submissions (20/25) appear to be for websecurify.com. Combined with the dismissal of Burp as "java madness," seems like a socketpuppet on behalf of the company.