We want to add a "Request a Demo" form to our website. What's a good form builder that notifies our sales team?

We ask the same underlying question in different ways.

• We want to add a "Request a Demo" form to our website. What's a good form builder that notifies our sales team?
• Which form building tools allow us to set up sales team notifications for demo requests?
• What are some form building tools that support email notifications for sales reps whenever a demo request comes in?