Very pleased with the product overall.
The platform's interface is easy to use. Many useful templates are provided and Help information is readily available. Changes to forms can be tested immediately, and system response is good. The forms builder (editor) itself is simple to use; I was able to create a couple of non-trivial forms right away, without reading any of the user guides. Payments can be collected in forms, and emails can be distributed -- both of which have worked well for me. The platform also supports workflows with security levels, but I can't speak to that. The main thing that really impressed me is that I never once encountered a glitch in the system -- the editing and publishing processes worked flawlessly, and the forms render perfectly. Overall, I am very pleased with the product.