This document describes several financial connectors that integrate various accounting and billing applications like QuickBooks, Avalara, FreshBooks, PayPal, and Zuora with third party applications. It also includes templates for synchronizing real-time data between Salesforce and NetSuite for accounts, opportunities, and migrating opportunities from Salesforce to NetSuite in bulk. The connectors and templates allow automating processes and synchronizing data across different financial systems to streamline business operations.