JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Unlimited. We don't have a limit in terms of the number of forms you can create. You can embed it to any website and/or create forms for your clients.
Your second question about sending form submission to different email has been moved and will be answered here: http://www.jotform.com/answers/599990.