Managed Packages
Document Management System Managed Packages¶
XFiles Pro - For exposing, creating and updating documents in external document storage systems within Salesforce (like sharepoint, custom hosted doc storage, etc). It can also be used for document generation.
DocuSign - For document generation and e-signatures. This is hosted off platform and just has a salesforce connector. Users need both a docusign license in SF and in DocuSign.
Payment Processing Managed Packages¶
Chargent - https://appfrontier.com/documentation