Posnic is open-source point of sale (POS) software built for real shops: supermarkets, restaurants, boutiques, pharmacies and hardware stores. Businesses in Montreal run it free of charge, offline first, with every sale stored on their own machine.
Run one shop or a chain across Canada: each store keeps its own settings, consolidated in cloud dashboards when you subscribe.
The complete application is public on GitHub under AGPL-3.0. No trial, no feature locks, no telemetry.
Everything lives in a local database you control, exportable to CSV any day, with a documented sync protocol.
Thermal receipt printers, barcode scanners, label printing, weighing scales and cash drawers are all supported.
Checkout in Montreal never waits on the internet. Posnic runs on the shop computer, keeps billing through any outage, and syncs later if you use Posnic Cloud.
Configurable tax groups handle GST/HST with inclusive or exclusive pricing, printed correctly on every receipt.
Posnic for your business: Grocery · Restaurants · Cafes · Fashion · Pharmacy · Electronics · Hardware
Posnic uses configurable tax groups, so GST/HST rates are set once and applied automatically, with inclusive or exclusive pricing and tax-wise report summaries.
Any Windows computer. Standard USB barcode scanners, thermal receipt printers, cash drawers, weighing scales and touch screens all work. Existing hardware from a previous system usually carries over.
Yes. Each store runs its own offline Posnic, and Posnic Cloud syncs them with branch-level access control and consolidated dashboards you can watch from anywhere.
Also in Canada: Toronto · Vancouver · Calgary · Edmonton · Ottawa · Winnipeg · Mississauga