Attach files to your emails.
Excellent for large forms, let your user let your user save the form and continue filling it latter.
Do you have aweber? then this plugin is for you =).
Automatically add a summary/confirmation page to all your forms.
Do you use mailchimp? If so this is a must for you…
Display the submitted information in tables or really in any format that you want…
Create paypal donation or payment forms.
Do you want to generate and attach a pdf in your email (like an invoice)? This is the plugin for you.
Usefull if you need to create a user in your wordpress site with each submission.