Google Docs
Google Docs is an online document application where you can create and edit documents and files. Using Google Docs, you can write, edit or share documents from anywhere, even if you don't have an internet connection.
Thanks to the integration of forms.app with Google Docs, you can create a document from the data you get from your forms, making it easier for you to follow up.
You might also like

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

Acquire
Quickly meet your customer service needs.Zapier

Hull
Strengthen your sales and marketing campaigns.Zapier

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