HSN-wise GST invoices, configurable tax groups and GST-ready reports in a free, open-source POS that runs fully offline.
Bills with GSTIN, HSN codes, and CGST, SGST and IGST breakups, on thermal or A4 formats.
Configure 0, 5, 12, 18 and 28 percent groups, inclusive or exclusive pricing, per item or category.
Tax-wise sales summaries and CSV exports that make monthly filing straightforward for your accountant.
Bill through internet and power cuts alike. Nothing about GST billing needs a connection.
The same free app serves supermarkets, restaurants, textiles, hardware, pharmacies and more.
No per-bill charges, no annual licence, no feature locks. AGPL-3.0 on GitHub.
The complete Posnic application is open source under AGPL-3.0 on GitHub. No trial timers, no locked features, no telemetry. Pay only if you choose Posnic Cloud for sync, backups and remote dashboards.
Yes. Posnic is open source under AGPL-3.0 and free forever, including GST invoicing and reports.
Yes. Posnic prints GST bills on standard thermal receipt printers as well as A4, with customizable templates.
Yes. Every report exports to CSV, and tax-wise summaries are designed for monthly GST filing.
Posnic for other businesses: Restaurant POS · Supermarket POS · Textile Shop POS · Hardware Store POS · Electronics Store POS