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Open Source Point of Sale vs Posnic POS: catalog facts
Open Source Point of Sale	Posnic POS
Free Free and open source.	Freemium The local edition is free; optional cloud services are paid.
Web, Self-hosted	Windows, macOS, Linux, Web
Broad retail feature set including stock, invoicing and gift cards Multiuser with permission control	Local edition supports Windows, macOS, and Linux Does not require an account for local use
Needs a PHP and MySQL server to run Interface is based on the older Bootstrap 3	Cloud services are optional paid offerings Published runtime evidence covers Windows only
Self-hosted	Downloadable app, Web application
Open source	Open source
License: MIT	License: AGPL-3.0-only
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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