PHP form creation

I have tried following softwares for form creation. I will update which one is best.

http://formoid.com/

http://www.simfatic.com/forms/screen-shots.html

Manual uploading the form - http://www.simfatic.com/forms/help/v40/how_to_upload_the_form_manuall.html

Integrating in wordpress -

 

http://www.appnitro.com/features