Hey guys, I'm @omervk, one of the co-founders and the maintainer of PTO. Always a pleasure to be featured on the front page of HN. You're welcome to ask me questions, though we've covered most on our about page ( http://plaintextoffenders.com/about ). The one we haven't is usually "Is there an API/better search/new site coming?" to which the answer is that we're both doing this in our spare time and though we really…
I am not sure that's appropriate. I know systems that send you the mail with your password after registration/password change and then save the passwords to database hashed.
You cannot deduce that they save passwords in plaintext because they send you the password after registration/password reset.