POS Software in San Francisco, free and open source

The complete point of sale (POS) software that San Francisco businesses keep looking for already exists, and it is free. Posnic covers checkout, inventory, sales tax and reporting, offline first and open source.

Built for retail in San Francisco

Touch and barcode checkout

Scan-and-sell with barcode scanners, or tap through sales on touch screens and tablets. Both are first-class.

Inventory that adds up

Live stock with every sale, low-stock alerts, purchase receiving and a full movement history behind each number.

Restaurant mode included

Table ordering, kitchen tickets and hybrid retail-plus-dining in the same software, at no extra cost.

Multi-store ready

Run one shop or a chain across United States: each store keeps its own settings, consolidated in cloud dashboards when you subscribe.

Free and open source

The complete application is public on GitHub under AGPL-3.0. No trial, no feature locks, no telemetry.

Your data stays yours

Everything lives in a local database you control, exportable to CSV any day, with a documented sync protocol.

Posnic for your business: Grocery · Restaurants · Cafes · Fashion · Pharmacy · Electronics · Hardware

POS Software questions from San Francisco

Is support available for San Francisco businesses?

Yes. Support is available worldwide over WhatsApp and email at info@posnic.com, with guides and video tutorials free on our website. Cloud subscribers get priority support with remote diagnostics.

Is Posnic POS software really free in United States?

Yes. Posnic Community Edition is free forever, everywhere including San Francisco. It is open source under AGPL-3.0 with all features included. Posnic Cloud, the optional sync and backup service, is the only paid product.

Does Posnic work offline in San Francisco?

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.

Also in United States: New York · Los Angeles · Chicago · Houston · Phoenix · Philadelphia · San Antonio · San Diego

All cities worldwide · India · Why open source