If your forgot your password, it's really easy to reset it. First, go to the login page on LeadSimple and click on the password reset link.
Next, enter the email address you used to sign up initially and click "Send me reset password instructions".
Once that's done, check your email inbox and you'll find an email from LeadSimple that contains a password-reset link.
Clicking on the link will take you to a page where you can enter a new password.