Searching for point of sale (POS) software in Washington DC? Posnic gives United States businesses the full package: fast checkout, inventory, sales tax handling and reports, free forever and open source, with billing that keeps working when the internet does not.
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 Washington DC 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 sales tax with inclusive or exclusive pricing, printed correctly on every receipt.
Prices, receipts and reports display in US dollars with local number formatting, configured once per store.
Posnic for your business: Grocery · Restaurants · Cafes · Fashion · Pharmacy · Electronics · Hardware
Yes, completely. The software runs on your own computer and needs no internet connection to sell, print receipts or manage stock. Cloud sync, if you use it, catches up automatically when the connection returns.
Posnic uses configurable tax groups, so sales tax 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.
Also in United States: New York · Los Angeles · Chicago · Houston · Phoenix · Philadelphia · San Antonio · San Diego