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Square Point of Sale vs Open Source Point of Sale: catalog facts
Square Point of Sale	Open Source Point of Sale
Freemium Sign-up is open on the website; check Square's pricing page for current plans and fees.	Free Free and open source.
Web	Web, Self-hosted
Payments, orders, inventory and staff scheduling in one system Separate setups for restaurants, retail, beauty and service businesses	Broad retail feature set including stock, invoicing and gift cards Multiuser with permission control
Tied to Square's own payment processing Research does not detail fees or hardware requirements	Needs a PHP and MySQL server to run Interface is based on the older Bootstrap 3
Hosted service	Self-hosted
Closed source	Open source
License not stated	License: MIT
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.