QuickBooks Desktop API for Node.js (TypeScript or JavaScript)

EasyQuickImport — Import transactions, invoices and bills into QuickBooks Desktop from Excel or CSV

QuickBook POS and QuickBook,QuickBooks using c#.net

QuickBooks Desktop API for Python

Data modeling, engineering, and analysis on a group of CSV files about employees at a hypothetical company. Uses SQL to visualize table relationships and query certain information on the combined data.