VirtualPBX
VirtualPBX makes your communication with customers easy with messaging, custom greetings, and phone number features.
If you integrate forms.app and VirtualPBX, your form responses will be synchronized with your VirtualPBX account, and you can start sending SMS to your customers.
You might also like

Gmail
Compose emails from your form responses. Create a database for your marketing operations.Zapier

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

CalendarHero
Create a meeting request with the data you collect from your form responses.Zapier

Marketo
Gather and record lead information.Zapier