Given the sort of stuff that usually makes it HN's front page, it may be worth noting here that this is a downloadable desktop application (as opposed to a web or mobile app).
Heh, I made 3 versions of it actually, this is the third, the first two were for iPhone, but I down own a Mac, so I cannot publish them on my own, and I think it is at least unethical to submit stuff to app store using my employer tools.