PandaDoc
PandaDoc is a document automation software that offers multiple solutions, where you can create contracts, quotes, and documents that need to be signed for your customers. With PandaDoc, your proposal or contract creation, sharing, and approval process are shortened and your workflow accelerates.
You can use your proposal forms more functionally when you integrate forms.app and PandaDoc. You can edit your proposals or contracts by creating a document in PandaDoc with the answers you collect.
You might also like

Siteglide
Connect your form responses to your Siteglide.Zapier

Zendesk
Create tickets, users, and have a much more automated customer support process with these Zendesk integrations.Zapier

Gnowbe
Build and share your own course platform with education integrations.Zapier

PayPal
Collect fast and secure payments through your forms.Native