Salsa Engage
Salsa Engage is an app used by nonprofits to find regular donors. With Salsa Engage you can track every donation and interaction and create fundraising dashboards.
With forms.app and Salsa Engage integration, you can create a supporter profile in your Salsa Engage account, add a supporter to a group, create a donation record for a supporter, or record a transaction.
You might also like

SendGrid
Email your customers easily.Zapier

Sprout
Create a customer or product profile for your website.Zapier

GetResponse
Automate your email marketing processes by connecting your form responses to your email marketing tool.Zapier

DRACOON
Export your form responses to DRACOON and easily share them with team members.Zapier