JotForm

Pricing: https://www.jotform.com/pricing/

Free Version

• 5 Forms
• 100 submissions
• JotForm Branding
• etc.

Formspree

Pricing: https://formspree.io/plans

Free Version, 50 submissions per month

Starts at $10/m for Unlimited Forms, Unlimited Projects, and 200 monthly submissions

Some form templates to choose from too: https://formspree.io/library/

Formkeep

https://formkeep.com

Pricing: Free, 50 submissions/ month, unlimited forms

Has 3rd part integration like Google Sheets, MailChimp, and others.

Static Forms

https://www.staticforms.xyz/

Pricing: Free

Free Version