Freshmarketer
Freshmarketer is marketing automation that powers brand and user communication throughout the customer lifecycle. It helps to create email campaigns from scratch and increase engagement.
When forms.app and Freshmarketer are integrated, you can add a contact profile to your mailing list or update it if you wish. In this way, you can increase the tempo of your marketing activities.
You might also like

Trello
Create or update cards, boards, and do many other cool things with this Trello integration.Zapier

Lucid Meetings
Schedule online meetings.Zapier

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

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