iContact
iContact is an e-mail marketing platform where you can communicate with your customers via phone and e-mail. Regardless of the size of your business, you can provide unlimited technical support to your customers with iContact.
When you set up the forms.app and iContact integration, you can create a new contact profile in your account, add subscribers to lists and send messages to your subscribers.
You might also like

Facebook Messenger
Make it easy for your target audience to contact you.Native

Datananas
Streamline new contacts to your emailing list from your form responses and automate your work.Zapier

Sendinblue
Streamline new contacts to your emailing list from your form responses and automate your work.Zapier

GetResponse
Automate your email marketing processes by connecting your form responses to your email marketing tool.Zapier