Google Sheets (Data Layer) Γö£ΓöÇΓöÇ Invoices Sheet (invoice headers) Γö£ΓöÇΓöÇ LineItems Sheet (invoice line items) Γö£ΓöÇΓöÇ Clients Sheet (client directory) Γö£ΓöÇΓöÇ Settings Sheet (configuration) ...
A complete GST-compliant billing and inventory management system that works on both desktop and mobile browsers. Built with Python Flask + SQLite — no cloud subscription required, runs entirely on ...
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