SA ERP is a production-grade Enterprise Resource Planning system built for Indian businesses. Features 10 integrated modules: Finance, Inventory, Sales, Purchase, Manufacturing, HRM, GST Compliance, TDS, Reports. Complete GST E-Invoicing, E-Way Bill, MCA-compliant audit trails. Runs as both web and Electron desktop app from a single codebase. Built with React 18, TypeScript, and SQLite.