Salesforce AppExchange: Dynamically prepopulate fields with data pulled from Salesforce based on user input.

A user from Salesforce review is looking for a better Salesforce prefill that supports more Salesforce objects, other than the Contacts and Leads that we currently offer. Aside from that, they're looking to dynamically prefill the form fields with data pulled from Salesforce object based on a user input. For example, prepopulate a group of fields based on the ID entered into a field that matches from a Salesforce record.